1. Ospedale SS. Annunziata Taranto, Italy
2. San Gerardo Hospital Monza, Italy
3. Ospedale Alessandro Manzoni Lecco, Italy
4. University of Brescia Azienda Socio Sanitaria Territoriale Spedali Civili di Brescia Brescia, Italy
5. Vita-Salute San Raffaele University Milano, Italy
6. Università degli Studi di Milano-Bicocca Milano, Italy
7. Lady Hardinge Medical College New Delhi, India
8. GB Pant Institute of Postgraduate Medical Education and Research New Delhi, India
9. Al Sabah Hospital Kuwait
10. Fortis Hospital, Shalimar Bagh New Delhi, India