Batten-1 Phase 3 Clinical Trial Interest We are interested in gathering information to help inform clinical trial recruitment. Your feedback is greatly appreciated. Please note that all responses to this survey are anonymous. Question Title * 1. Patient Information: Age: Gender: Date of Diagnosis: City of Residence: State of Residence: Country of Residence: Question Title * 2. Additional Patient Information (If more than 1): Age: Gender: Date of Diagnosis: City of Residence: State of Residence: Country of Residence: Question Title * 3. On-site assessments will be conducted every 6 months. Are you (patient and caregiver) willing to participate in the on-site visits ? Yes No If "No," why not? Question Title * 4. Some site visits may require an overnight stay (or 2 in the case of travel). Are overnight stays acceptable? Yes No If "No," why not? Question Title * 5. Travel expenses will be covered by the sponsor. How far are you willing to travel to participate in on-site visits? Less than 2 hours Between 2 & 6 hours Over 6 hours, but within same day Overnight travel In case of limits, what would be the main reason (patient too weak/tired, lack of availability of caregiver, other)? Question Title * 6. What forms of transportation are acceptable? Car Train Plane Other Comments Question Title * 7. Are you willing to travel to a different country? Yes No If "No," why not? Question Title * 8. Additional Comments: Next