Risk of bias and confounding of observational studies of Zika virus infection: A scoping review of research protocols (vol 12, e0180220, 2017)

Ludovic Reveiz, Michelle M Haby, Ruth Martinez-Vega, Carlos E Pinzon-Flores, Vanessa Elias, Emma Smith, Mariona Pinart, Nathalie Broutet, Francisco Becerra-Posada, Sylvain Aldighieri, Maria D Van Kerkhove