1 23 Energy Efficiency ISSN 1570-646X Volume 7 Number 2 Energy Efficiency (2014) 7:243-256 DOI 10.1007/s12053-013-9221-y Building energy index and end-use energy analysis in large-scale hospitals—case study in Malaysia S. Moghimi, F. Azizpour, S. Mat, C. H. Lim, E. Salleh & K. Sopian