Mycophenolate mofetil Completed Phase 2 Trials for Adrenoleukodystrophy / I-Cell Disease / Wolman's Disease / Metachromatic Leukodystrophy / Sanfilippo Syndrome / Gangliosidosis, GM1 / Sandhoffs Disease / Leukodystrophy, Globoid Cell / Tay Sachs Disease Treatment