1. Sanatorio Parque – Grupo Oroño
2. Helsinki University Central Hospital and University of Helsinki
3. University of Gent
4. Guy´s and St. Thomas´ NHS Foundation Trust
5. University Hospital Brussels (VUB)
6. Hospital General Dr. Manuel Gea González
7. UC San Diego Health
8. Department of Plastic Surgery
9. Careggi Universital Hospital
10. Instituto Europeo di Oncologia
11. Hospital de la Santa Creu I Sant Pau (Univesitat Autonoma de Barcelona)