Cause of death in patients with attenuated acid sphingomyelinase deficiency: Comprehensive literature review and report of new cases

1Niemann-Pick Disease Group (UK), Tyne and Wear, UK; 2Villa Metabolica, ZKJM, Medical Center, University of Mainz, Mainz, Germany; 3University of Leuven, Leuven, Belgium; 4Hospital Dr. Exequiel Gonzalez Cortes, Santiago, Chile; 5King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia; 6Academic Medical Center Hospital of Udine, Udine, Italy; 7Medical Genetics Service, HCPA/UFRGS, Porto Alegre, Brazil; 8University of California San Francisco, San Francisco, CA, USA; 9University of Paris-Diderot, Reference Center for Inborn Errors of Metabolism, Robert-Debre Hospital, Paris, France; 10Akita University School of Medicine, Akita, Japan; 11La Rabta Hospital, Tunis, Tunisia; 12San…