Kerstin Brakmann, Hendrik Spriestersbach, Felix Berger and Boris Schmitt
Steve Gray, Mike Urwin, Sheila Woolfrey, Barbara Harrington, James Cox
Salar A. Khan
Anna J X Zhang, Yetta Y X Chan, Andrew C Y Lee, Houshun Zhu, Leonardi Gozali, Winger W N Mak, Can Li and Kwok-Yung Yuen
Pandian Prabakaran and A. David Ravindran
Amal I Khalil1*, Eman A Shoker2, Safaa E Shatlah3