1. Biostatistics and Epidemiology Service Gustave Roussy Institute Villejuif France
2. Center for Research in Epidemiology and Population Health University of Paris‐Saclay University of Paris‐Sud, and Versailles‐Saint‐Quentin‐en‐Yvelines University French Institute of Health and Medical Research (INSERM) Villejuif France
3. Dermatology Unit, Cancer Research Center of Lyon Lyon University HospitalClaude Bernard University Lyon France
4. Dermatology Unit Clinical Investigation Center Public Hospital of Paris (AP‐HP)INSERM Unit 976, Paris Diderot University‐Saint‐Louis Hospital Paris France
5. ONCO‐THAI INSERM Unit 1189, Lille University, Lille Hospital Lille France
6. Dermatology Unit Bordeaux Saint‐Andre Hospital Bordeaux France
7. Dermatology Unit Montpellier Hospital Montpellier France
8. Dermatology Unit Grenoble Hospital Grenoble France
9. Dermatology Unit Dijon Hospital Dijon France
10. Dermatology Unit Brest Hospital Brest France
11. Dermatology Unit Ambroise Pare HospitalAP‐HP Boulogne‐Billancourt France
12. Dermatology Unit Nice Hospital Nice France
13. Dermatology Unit Amiens Hospital Amiens France
14. Dermatology Unit Bichat HospitalAP‐HP Paris France
15. Dermatology Unit La Timone Hospital Marseilles France
16. Dermatology Unit Annecy Hospital Annecy France
17. Dermatology Unit Bordeaux Haut‐L'eveque Hospital Bordeaux France
18. Rennes Eugene Marquis, Cancer Center Rennes France
19. Dermatology Unit Besancon Hospital Besancon France
20. Dermatology Unit Avicennes HospitalAP‐HP Paris France
21. Dermatology Unit Nancy Hospital Nancy France
22. Dermatology Unit Nimes Hospital Nimes France
23. Dermatology Unit Rennes Hospital Rennes France
24. Dermatology Unit Nantes Hospital Nantes France
25. Research Group in Law and Health Economics University Paris‐Sud Paris France