1. Department of Epidemiology, University of Medicine and Pharmacy “Grigore T. Popa, ” Iasi, Romania, Europe
2. Department of Orthopaedics, University of Medicine and Pharmacy “Grigore T. Popa, ” Faculty of Medicine, Iasi, Romania, Europe
3. Department of Dermatology, Apollonia University, Iasi, Romania, Europe,
4. Department of Dermatology and Allergology, Städtisches Klinikum Dresden, Academic Teaching Hospital, Dresden, Germany,