Merge pull request #4 from mikegiberson/master

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Modify schema regarding patient insurance
Merge branch 'master' of https://github.com/syhc/Giberson-et-al.
Merge pull request #13 from syhc/master

Modify Database Script regarding PatientInsurance
Fix database script

patientAddress country incorrect type fixed
Merge pull request #14 from syhc/master

Fix database script
Merge pull request #4 from mikegiberson/master

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