Reply to letter from Dan Riddle. (November 2021) - Van der Gucht, Elien; Dams, Lore; Haenen, Vincent; Godderis, Lode; Morlion, Bart; Bernar, Koen; Evenepoel, Margaux; De Vrieze, Tessa; Vandendriessche, Thomas; Asnong, Anne; Geraerts, Inge; Devoogdt, Nele; et al.