“…These papers are included in the reference list of the present paper, and are as follows: (Boustras, 2013;Cagno et al, 2013Cagno et al, , 2011Cheng et al, 2010;Fabiano et al, 2004;Fera and Macchiaroli, 2010;Floyde et al, 2013;Gardeux and Marsot, 2014;Hasle et al, 2010Hasle et al, , 2009Jørgensen et al, 2010;Kongtip et al, 2008;Makin and Winder, 2008;Masi et al, 2014;Micheli and Cagno, 2010;Morgaine et al, 2006;Moriyama and Ohtani, 2009;Pérez-Alonso et al, 2011;Santos et al, 2013;Sinclair and Cunningham, 2014;Sørensen et al, 2007;Walker and Tait, 2004).…”