TheRodinhoods

What is a best method of developing EMR/EHR for small Nursing Homes?

I want to get developed EMR/EHR for Nursing homes in small towns of Asia, Africa etc.

1. Which is the best way to get it developed?

2. Which language is best considering speed and security?

3. Is it php, asp.net, VB.net or any other? 4. Do it allow ineteroperability as HL7, ICD10 etc?

my web developer has recommanded Drupal. Is it correct?