“…Fourteen trials recruited participants with a specific clinical condition. Of these, five trials recruited patients with chronic obstructive pulmonary disease27 30 31 36 37 and single trials recruited participants with metabolic syndrome,28 chronic heart failure,29 diabetes,32 colorectal cancer,16 multiple chronic illness,43 coronary artery disease,46 rheumatoid arthritis,39 stroke15 and Parkinson’s disease 18…”