1. Department of Mathematics, National University of Singapore, Singapore https://blog.nus.edu.sg/dinh/
2. Université de Lille, Laboratoire de Mathématiques Paul Painlevé, CNRS U.M.R. 8524, Villeneuve-d’Ascq, France; and Vietnam Institute for Advanced Study in Mathematics (VIASM), Hanoi, Vietnam https://pro.univ-lille.fr/viet-anh-nguyen/
3. Département de Mathématiques, Faculté des Sciences d’Orsay, Université Paris-Saclay, Orsay, France; and Korea Institute for Advanced Study (KIAS), Seoul, Republic of Korea https://www.imo.universite-paris-saclay.fr/~sibony/