Commentary: Meta-epidemiology, meta-meta-epidemiology or network meta-epidemiology?

Affiliation

• ¹ INSERM U738, Paris, France, Centre Cochrane Français, Paris, France, Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA, Assistance Publique-Hôpitaux de Paris, Hôpital Hôtel-Dieu, Centre d'Épidémiologie Clinique, Paris, France and Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Paris, France.