Hi,I`m planning to take my daughter(20 yrs old)here in Hk for re assessment of her heart condition..she has this congenital heart disease and maybe seek for medical treatment here.bur she has a son who is 1 yr and 8 mns whom she doen`t want to leave because she`s a single parent.can I take them both here?what are the requirements?my employer in Hk is very much willing to support their trip here.thank you very much...