authors Ertekin, Ebru van Hagen, Iris M Salam, Amar Mohammad Amin Farhan Ruys, Titia P E Johnson, Mark R Popelova, Jana Parsonage, William A Ashour, Zeinab Shotan, Avraham Oliver, José M Veldtman, Gruschen R Hall, Roger Roos-Hesselink, Jolien W