“…3926/ic.956 Another important consideration is the fact that, of the 10 largest ports in the world, seven are Chinese, including the top four, which are the ports of Shanghai, Singapore, Guangzhou and Hong Kong. These ports were those most often used as study subjects, as can be seen in some st udies (Chou, Gou, Tsai, Tsou, Wong & Yu, 2010;Chou, 2010;Huang, Teng, Huang & Kou, 2003;Lin & Tseng, 2007;Murty, Liu, Wan & Linn, 2005;Pak, Thai & Yeo, 2015;Teng, Huang & Huang, 2004;Wu, Yan & Liu, 2009).…”