1. Department of Medical Oncology; Mayo Clinic; Rochester MN USA
2. Department of Dermatology and Dermatological Surgery; Prince Sultan Military Medical City; Riyadh KSA
3. Department of Dermatology & Cutaneous Surgery; Department of Psychiatry & Behavioral Sciences; Institute for Bioethics & Health Policy, University of Miami Miller School of Medicine; Miami FL USA
4. Centro Studi per la Ricerca Multidisciplinare e Rigenerativa; Università degli Studi Guglielmo Marconi; Rome Italy