1 Yale University School of Medicine, New Haven, Conn; Viktor Frankl Institute of Logotherapy, Abilene, Texas; Icahn School of Medicine at Mount Sinai, New York, NY. Electronic address: steven.southwick@yale.edu.
2 Viktor Frankl Institute of Logotherapy, Abilene, Texas; University of Colorado School of Medicine, Aurora; George Washington School of Medicine, Washington, DC.
3 Viktor Frankl Institute of Logotherapy, Abilene, Texas; University of Texas Health Science Center, Houston.