Glucosylsphingosine is a reliable response biomarker in Gaucher disease. Issue 6 (15th March 2018) - Arkadir, David; Dinur, Tama; Revel‐Vilk, Shoshana; Becker Cohen, Michal; Cozma, Claudia; Hovakimyan, Marina; Eichler, Sabrina; Rolfs, Arndt; Zimran, Ari