doctors support network doctors support network the 'doctors' support network' (dsn) is a confidential self-help group for physicians in the united kingdom with mental health concerns. it was founded by dr soames michelson and dr liz miller in 1996. registered charity number (england & wales): 1103741 the dsn has approximately 500 members and has successfully campaigned for better treatment of doctors with mental health issues by the general medical council.