P. The, . Steering, A. Bastien, A. Annik, B. Fanny et al., Special acknowledgements are addressed to Cécile GAILLARD and Rozenn De LAVENNE for their involvement in the project setting up. ? The University of Lorraine (EA 4360 APEMAC -Nancy) stakeholders: Epidemiology Team project leader: Serge BRIANCON, Principal Investigator. Coordination and management: Emilie BONSERGENT

L. Marion and P. Manager,

O. Abdou, ;. Phd, P. Jeremy, and . Laura, Anne VUILLEMIN, Lecturer. Data collection: Anne HISLER, Nurse; Martin KOLLOP, public health resident; Diane PIVOT, public health resident

T. Nadia, ;. Nurse, P. Véronique, and . Secretary,

S. Sébastien, S. Lecturer;-oissila, and A. Manager,

T. Bruno and A. Officer,

R. Serge, M2 Sociology Student. ? The CNAM stakeholders Team project leader: Edith LECOMTE, PhD, Director Training pole. Coordination and management: Cécile GAILLIARD

L. Johanne and P. Student, Project leader and speaker for the meetings and interviews in physical activity. Transversal activities: Cécile BRICE, Communication Manager

B. Damien and . Officer,

. Wagner-alexandra, The University of Lorraine (EA 4360 APEMAC -Metz) stakeholders: psychology Team project leader: Elisabeth SPITZ Professor of Health Psychology. Coordination and management

M. Laurent, P. Lydia, ;. Lecturer, C. Alice, . Cohn et al., The Clinical Investigation Centre -Clinical Epidemiology (CIC-1433 EC) stakeholders Team project leader: Francis GUILLEMIN, Professor of Public Health. Coordination and management: Karine LEGRAND Project Manager. Data manager and statistical analyis: Julie AKKOYUN-FARINEZ, Statistician, Biostatistician. Data collection: Benjamin BETHUNE

C. Catherine, Clinical Research Nurse

D. Gaelle and D. Nurse;-christelle,

J. Epstein, A. Valerie, and E. , Clinical Research Nurse

N. Fischer, Technician seizure

S. Gerset, Clinical Research Nurse

G. Johanne and . Amoyel, Clinical Researcher; Najet JUDAS, nursing student

K. Nicole, Technician seizure

L. Clotilde and . Doctor,

M. Samia, Technician seizure

P. Melchior, Input Technician

P. Isabelle, Clinical Research Nurse

P. Nathalie, Clinical Research Nurse

R. Laurie, public health resident

T. Maurice and T. Ahu;-sandrine, Clinical Research Nurse

N. Valentin, Clinical Researcher

W. Maxime, E. Laurence, J. Secretary;-emilie, J. Secretary;-nadine, and Q. Manager, Transversal activities: Adeline DAZY, Secretary

. Klein-sylvie, Health Framework

P. Karine, . Homme, R. Secretary;-laetitia, and . Secretary,

A. Manager,

, ? Local school office of the Nancy-Metz academy Team project leader: Marie-Hélène QUINET, MD, Technical Adviser of the Rector. Coordination and management: Annik AMADEUF, IPR EPS

D. E. Rozenn and . Lavenne, Nurse Technical Advisor of the Rector

M. Md, Pralimap-Inés corresponding for schools

P. Céline, Nurse technical advisor to the Dasen des Vosges

T. Brigitte, Nurse technical advisor to the Dasen des Vosges. Transversal activities: Leon FOLK, Dasen; Marie-Véronique HENRY-WITTMANN, Chief of the Division of Management and Statistical Analysis

P. Xavier and R. Ipr-eps;-serge, Director UNSS Regional Service

S. Mathieu, Director Departmental Service UNSS

W. Michèle and . Dasen, The Lorraine Regional Health Agency stakeholders Funding of the coordination of hospital specialized obesity management: Elise BLERY-MASSINET

D. Annick, Director of Public Health

K. Simon, ;. Director, . Md, L. Marc, M. D. et al., Animation of group sessions: Christelle BRUST, The AVRS stakeholders Leader: Gilles ROBERT, MD, Pediatrician. Data collection: Octave ALTIERI

C. Sara, C. Dietician;-anita, and D. ,

C. Aline, ;. Dietician, and C. Elena, Psychologist

D. Berenice, D. Dietician;-geraldine, H. Dietician;-anabelle, M. Dietician;-nathalie, O. Psychologist;-elsa et al.,

R. Eva and B. Dietician;-francine, Psychologist

C. Suzanne, ;. Psychologist, and D. Beatrice, Psychologist

C. Langlois and . Psychologist,

A. Lemaire and . Psychologist,

R. Catherine and . Psychologist, The Vosges Primary Health Insurance Fund stakeholders Leaders: Pascal ENRIETTO, Director, Deputy Director

L. Lydia, Manager customer relationship management

R. Sophie, Manager Customer relationship management. Adolescents' solicitation

H. Sarah,

, Ludivine JEANROY

L. Isabelle,

R. Camille, . Obesity-specialized, ;. Center, B. Leader-;-philip, P. S. Md et al., The Vosges Departmental Directorate of Social Cohesion and Protection of Population: Fanny BALLAND, sports activities Advisor. Decathlon: Cédric CARRETTE, Director; Mathieu IMBERT, customer service manager. The National Cancer Institute (INCA): Bastien AFFETRANGER, Geographer; Carla ESTAQUIO, Epidemiologist. Profession Sport Animation: Joffrey HUMBERT

B. Pierre,

B. Sylvie and M. Assistant, Saphyr: Emilienne BARBAUX, sports educator

D. Martine,

G. Stephanie,

F. Céline,

, Lionel LEDOCQ sports teacher

M. Grazia, . Director, and . Marketing, Atika ANKI

B. Stephanie and P. Christophe,

P. Sandrine and . School-professionals,

A. Amélie, A. Christophe, and A. Marylène,

A. Lydia,

A. Carole,

B. Catherine, B. Pascal, and . Baumgartner,

B. Pierre and B. Laurent,

D. Bianchi,

B. Sandrine,

B. Johanna and . Cousin,

B. Xavier,

C. Philippe and C. Myriam,

C. Sylvie,

C. Odile and C. Fishing;-laurence,

C. Pierre,

C. Francis,

M. Courty, Jacques DAIZE

D. Charline, D. Thierry-decker;-geneviève-didier;-christine, and D. Virginia,

D. Stephanie,

D. Séverine,

F. Michel, W. Fayseler;-dominique, and F. Jean-paul,

L. Fillieux-sencier,

F. Anne,

F. Marcel,

B. Mireille and . Fontan,

A. Foucher;-myriam, F. Christelle, G. Christine, and G. ,

G. Antonio and . Vale,

G. Christine, G. Sophie, G. Christian, H. Valérie, and H. Patrick,

H. Eric,

H. Laetitia-hopfner;-marcellin, J. Mylène, and J. Jean-paul,

J. Brigitte, J. Stéphanie, and J. Thierry,

J. Denis and J. Elisabeth,

J. Sandrine,

C. Kern;-hélène, K. Bernard, K. Isabelle;-nathalie, L. Lefebvre;-thérèse, L. Jean-pierre et al.,

L. Denis,

L. Sylvain-hugues,

L. Christine,

L. Dominique,

M. Elodie,

M. Philippe,

M. Marlier;-elodie, M. Pascal, M. Christelle, and M. ,

M. Pauline,

M. and M. ,

M. Gérard, M. Sandra, and N. Frank,

O. Olivier and P. Rachel,

P. Sylvie, P. Berengère, P. Perrin;-damien, and P. Virginia,

P. Paule,

P. Xavier,

C. Cynthia and . Pierre,

P. Christine, P. Wickmann;-eric, and P. Céline,

Q. Louise,

R. Martine,

R. Bernadette,

R. Hélène,

R. Sabine,

R. Max,

R. Françoise,

A. Rodrigues,

R. Corinne,

M. Gilles, R. Sébastien, S. Odile, S. Florence, and S. ,

M. Sontot,

S. Marie, T. Bertrand, T. François, and T. Florence,

T. Pascal,

M. Thomas,

T. Séverine and T. Emmanuelle,

T. Ludmilla,

A. Vauthier,

V. Sandrine and V. Pascal,

D. Vincent;-philippe, V. Vuillaume;-nathalie, W. Hamid-kylan, Y. Pascal, B. Caroline et al.,

G. Sophie and . Hennaquin,

L. Chantal,

M. Marangoni,

M. Jocelyne and S. Deschanet;-anne-lise,

V. Marie, All trial steps, design, data collection, analysis, write-up, and reports are and will be performed independently of any funding or sponsoring agency

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