title: Looking deeper into POWeR.
authors: University of Southampton, Southampton SO17 1BJ, UK.
authors: Katherine J
authors: KJ
authors: Bradbury
authors: University of Southampton, Southampton SO17 1BJ, UK.
authors: Beth
authors: B
authors: Stuart
authors: University of Southampton, Southampton SO17 1BJ, UK.
authors: Mary
authors: M
authors: Steele
authors: University of Southampton, Southampton SO17 1BJ, UK.
authors: Lucy
authors: L
authors: Yardley
authors: University of Southampton, Southampton SO17 1BJ, UK. Electronic address: p.little@soton.ac.uk.
authors: Paul
authors: P
authors: Little