1 Departments of Pharmacy and Adult Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK; Institute of Pharmaceutical Sciences, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK. Electronic address: christopher.remmmington@gstt.nhs.uk.
2 Departments of Pharmacy and Adult Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK; Centre for Human & Applied Physiological Sciences (CHAPS), School of Basic & Medical Biosciences, Faculty of Life Sciences & Medicine, King's College London, London, UK.
3 Departments of Pharmacy and Adult Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK.
4 Departments of Pharmacy and Adult Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK; Institute of Pharmaceutical Sciences, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK.