<a href="/hospitals/memorial-bahcelievler-hospital-istanbul">Memorial Bahcelievler Hospital Istanbul</a> - 8,634 reviews, <a href="/hospitals/memorial-sisli-hospital-istanbul">Memorial Sisli Hospital Istanbul</a> - 7,476 reviews, <a href="/hospitals/sikarin-hospital-bangkok">Sikarin Hospital Bangkok</a> - 4,454 reviews, <a href="/hospitals/teknon-medical-centre-barcelona">Teknon Medical Centre Barcelona</a> - 2,510 reviews, and <a href="/hospitals/university-pediatric-hospital-sant-joan-de-deu-barcelona">University Pediatric Hospital Sant Joan de Deu Barcelona</a> - 1,758 reviews are allergology & immunology centers with a significant number of patient feedbacks.