Table 3 Chronic conditions included in studies

Cancer

17

Inflammatory bowel disease

4

Chronic pain

6

Multiple sclerosis

3

Chronic conditions at large

3

Human immunodeficiency virus

2

Schizophrenia

2

Spinal cord injury (pain)

2

Asthma

1

Cystic fibrosis

1

Epilepsy

1

Fibromyalgia

2

First episode of psychosis

1

Glaucoma

1

Migraine and headaches

1

Post-traumatic stress syndrome

1

Arthritis

1

Autosomal recessive spastic ataxia of charlevoix-saguenay

1

Parkinson disease

1

Alopecia areata

1

Primary dysmenorrhea

1