I know the post is old, but just in case the information is still required, I'd recommend Dr. Ong Hian Tat at NUH.
http://www.nuh.com.sg/scripts/WebFormSh ... x?id=11615
The best doctor you could hope for this condition in Singapore.
Our son was diagnosed with West Syndrome at 4 months. Thankfully our Paed pushed for an appointment with Dr. Ong and we got one 2 days later (we could only get an appointment 3 weeks out). Our son is now on the road to recovery because he was diagnosed and on an agressive treatment plan so soon after (3 days after the first EEG he was on 30mg of Prednisolone/day). After 6 months, we're talking about "remission" and even "cure".
Hopefully you've got the help you need and your child is well.