[1] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Dermatol, DE-48149 Munster, Germany
[2] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Anesthesiol Intens Care Med & Pain Therapy, DE-48149 Munster, Germany
[3] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Psychosomat & Psychotherapy, DE-48149 Munster, Germany
[4] Univ Hosp Munster, Competence Ctr Chron Pruritus, Inst Med Informat, DE-48149 Munster, Germany
[5] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Clin Radiol, DE-48149 Munster, Germany
[6] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Med A Hematol & Oncol, DE-48149 Munster, Germany
[7] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Med D, Div Gen Internal Med Nephrol & Rheumatol, DE-48149 Munster, Germany
[8] Univ Hosp Munster, Competence Ctr Chron Pruritus, Dept Neurol, DE-48149 Munster, Germany