1. Department of Humanities & Pediatrics, Penn State College of Medicine, Hershey, PA, USA,
2. Department of Neurology, Penn State College of Medicine, ALS Clinic and Research Center, Hershey, PA, USA,
3. Penn State College of Medicine, Hershey, PA, USA,
4. Human Development and Family Studies, Colorado State University, Fort Collins, CO, USA,
5. Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA,
6. Department of Humanities, Penn State College of Medicine, Hershey, PA, USA, and
7. Department of Humanities & Medicine, Penn State College of Medicine, Hershey, PA, USA