Individualised, short-course antibiotic treatment versus usual long-course treatment for ventilator-associated pneumonia (REGARD-VAP): a multicentre, individually randomised, open-... by Mo, Y, Booraphun, S, Li, AY, Domthong, P, Kayastha, G, Lau, YH, Chetchotisakd, P, Limmathurotsakul, D, Tambyah, PA, Cooper, BS