April 25, 2019
Marwan A. Bakarman, Mukhtiar Baig, Ahmad A. Malik, Zohair J. Gazzaz, Mostafa M. Mostafa, Mohamed A. Zayed, Abdulaziz S. Balubaid, Ahmed K. Alzahrani
April 19, 2019
Muhammad Awwal Ladan, Heather Wharrad, Richard Windle
April 17, 2019
Hege Selheim Rinke, Clara Beate Gram Gjesdal, Heidi Markussen, Jörg Assmus, Gerd Karin Natvig
April 30, 2019
Bao-Liang Zhong, Yan-Min Xu, Wu-Xiang Xie, Xiu-Jun Liu