1. Department of Anatomy; University of Malta; Msida Malta
2. Department of Cardiothoracic Surgery; Mater Dei Hospital; Msida Malta
3. Department of Statistics and Operations Research, Faculty of Science; University of Malta; Msida Malta
4. Metamaterials Unit, Faculty of Science; University of Malta; Msida Malta
5. Department of Anesthesia; Mater Dei Hospital; Msida Malta
6. Department of Human Biology, School of Life Sciences, College of Medicine Veterinary and Life Sciences; University of Glasgow; United Kingdom