[1] Univ Liverpool, Liverpool, Merseyside, England
[2] Univ Milan, Milan, Italy
[3] Sapienza Univ Rome, Rome, Italy
[4] Univ Modena & Reggio Emilia, Modena, Italy
[5] Univ Hosp Tours, Tours, France
[6] Virgen de la Arrixaca Univ, Clin Hosp, Murcia, Spain
[7] Ludwig Maximilians Univ Munchen, Munich, Germany
[8] Univ Belgrade, Belgrade, Serbia
[9] Univ Bucharest Carol Davila, Bucharest, Romania