“…The worker/patient, the employer, the healthcare provider, and the insurer, are all involved in the work disability process, often in complex interplays [7][8][9][10]. Also, the process of return to work (RTW) following ill health has a multifactorial nature, including complex interactions between (1) biological, psychological, and social factors as well as (2) different ''systems'', such as the personal, workplace, health care and insurance system [7,9,[11][12][13]. Moreover, work disability and RTW processes and practices have to be understood and appreciated within the specific administrative and jurisdictional context [7,11,14].…”