Article History
Accepted: 11 May 2021
First Online: 29 June 2021
Competing interests
: R.S. declares that she has received honorarium from BMS, Pfizer and UCB. G.N. declares that she has received honorarium from Lilly, Novartis and UCB. X.M. declares that he has received honorarium from BMS, Galapagos, Gilead, GSK, Novartis, Pfizer, Servier and UCB. X.M. has also received an unrelated research grant from OSE Immunotherapeutics.