Author response to Dr Wise's letter. Issue 3 (8th February 2016) - Casas, Lidia; Espinosa, Aina; Borràs-Santos, Alícia; Jacobs, José; Krop, Esmeralda; Heederik, Dick; Nemery, Benoit; Pekkanen, Juha; Hyvärinen, Anne; Täubel, Martin; Zock, Jan-Paul