No help from call centre

My son turned 21 in March 2015, he went on his own medical aid in April 2015.<br> Since then I have been trying ro get him removed from my medical profile at Hosmed.<br> WHAT A WASTE OF TIME THAT IS.<br> ACCORDI G TO THEM THEY DO NOT RECEIVE THE EMAIL I HAVE SENT AN DI THE MEANTIME THEY JUST SUBTRACT AN AMOUNT FOR MY SON ON MY MEDICAL PROFILE.<br> Since 13 July 2015 enery time I phone their call centre I getcut off.<br> <br> WHAT MORE CAN I DO TO GET THRM TO DO THEIR WORK AND REMOVE MY SON FROM MY MEDICAL AID.