Corrigendum to "Using pneumococcal and rotavirus surveillance in vaccine decision-making: A series of case studies in Bangladesh, Armenia and the Gambia" [Vaccine 36 (2018) 4939-4943]. Issue 13 (17th March 2020) - ,; Wijesinghe, Pushpa Ranjan; Sargsyan, Shushan; Asoyan, Ara; Gevorya, Zaruhi; Kocharyan, Karine; Vanyan, Artavazd; Khactatryan, Sergey; Daniels, Danni; Zaman, Syed M.A.; Antoni, Sebastien; Hasan, Alvira Z.; et al.