<qa>  What are the other chronic diseases that do not involve immunosuppression?- The study subjects may have other underlying chronic diseases that do not involve immunosuppression e.g. osteoarticular diseases, cardiorespiratory diseases, metabolic diseases, stable, non progressive, non-severe neurologic disorders without cognitive impairment, ophthalmologic diseases, etc., but their symptomssigns must be under control through medical follow-ups and drug therapy 