This is not a full-blown HTML spec validation (intentionally). The parent-child nesting is considered valid if the Browser does not modify it, regardless of whether or not the HTML spec considers it ...

bCardiac Vascular and Lung Research Institute (CaVaLRI), Universiti Teknologi MARA (UiTM), Sungai Buloh, Malaysia cInstitute of Pathology, Laboratory and Forensic Medicine (I-PPerForM), Faculty of ...