[1] Univ Turin, Div Maxillofacial Surg, Citta Salute & Sci, Turin, Italy
[2] Univ Ibadan, Coll Med, Dept Oral & Maxillofacial Surg, Ibadan, Nigeria
[3] Univ Dundee, Dept Oral & Maxillofacial Surg, Dundee, Scotland
[4] Hippocrat Gen Hosp, Dept Oral & Maxillofacial Surg, Athens, Greece
[5] UNESP Sao Paulo State Univ, Araraquara Dent Sch, Dept Diag & Surg, Sao Paulo, Brazil
[6] Sao Paulo State Univ, UNESP, Div Oral & Maxillofacial Surg, Dept Diag & Surg, Aractuba, Brazil
[7] Gazi Alhariri Hosp, Dept Oral & Maxillofacial Surg, Baghdad, Iraq
[8] Mashhad Univ Med Sci, Oral & Maxillofacial Dis Res Ctr, Mashhad, Razavi Khorasan, Iran
[9] Dept Oral & Maxillofacial Surg, Dharan, Nepal
[10] Aligarh Muslim Univ, Dept Oral & Maxillofacial Surg, Aligarh, Uttar Pradesh, India
[11] Paracelsus Med Univ, Dept Oral & Maxillofacial Surg, Salzburg, Austria
[12] Nepean Hosp, Dept Plast Reconstruct & Maxillofacial Surg, Sydney, NSW, Australia
[13] Hosp Univ Vall DHebron, Dept Oral & Maxillofacial Surg, Bacelona, Spain
[14] Sohag Univ, Fac Med, Gen Surg Dept, Maxillofacial Surg Unit, Sohag, Egypt