Thank you so much for following! 🙂 
As for your question, I am not sure exactly where child life specialists are in highest demand, but I did some research and perhaps you’ll find an answer to your question from the following links:

• http://www.stjude.org/stjude/v/index.jsp?vgnextoid=dc85b39f0cda3310VgnVCM100000290115acRCRD&vgnextchannel=39b4b39f0cda3310VgnVCM100000290115acRCRD
• http://child-life-specialist.com/
• http://www.childlife.org/the%20child%20life%20profession/childlifefaq.cfm

I hope this helps — thanks again for following!