Rules with this context
- JATS-0002-004If contained within <aff/> the element must also be contained within <contrib-group/>
- JATS-0002-002institution can only contain PCDATA, sub, sup, or abbrev
- JATS-0046-001xlink:href attribute "
@xlink:href" should contain a valid URI and should not contain any space or backslash (\) characters