[1] Muscat Private Hosp, Dept Pediat, Muscat, Oman
[2] Online Res Club, Nagasaki, Japan
[3] Ain Shams Univ, Fac Med, Cairo, Egypt
[4] Mt Sinai Hosp, Dept Pediat, Toronto, ON, Canada
[5] Univ Toronto, Toronto, ON, Canada
[6] Univ Tunis El Manar, Fac Med Tunis, Djebal Lakhdhar St, Tunis 1007, Tunisia
[7] Univ Med & Pharm Ho Chi Minh City, Fac Med, Ho Chi Minh City, Vietnam
[8] Xavier Univ, Sch Med, Oranjestad, Aruba
[9] Univ Med & Pharm Ho Chi Minh City, Dept Internal Med, Ho Chi Minh City, Vietnam
[10] Aswan Univ, Fac Med, Aswan, Egypt
[11] GMERS Med Coll, Gandhinagar, Gujarat, India
[12] Shadan Inst Med Sci, Hyderabad, Telangana, India
[13] Univ Milan, Fac Med, Milan, Italy
[14] October 6 Univ, Fac Med, Giza, Egypt
[15] Imperial Coll London, Sch Publ Hlth, London, England
[16] Nagasaki Univ, Sch Trop Med & Global Hlth, 1-12-4 Sakamoto, Nagasaki 8528523, Japan