International Travel Patterns and Health Preparations of Hematopoietic Stem Cell Transplant Recipients at Memorial Sloan-Kettering Cancer Center

The intervention is a self-administered questionnaire that is voluntarily completed by the subject. This questionnaire has been previously validated and demonstrated to be reproducible in English speaking travelers. The final version of the survey questionnaire consists of 49 questions.Patients who never traveled after HSCT will answer only eighteen questions related to their medical and HSCT history in addition to their demographics.