1. Available from: http://clinicaltrials.gov/show/NCT02046187 [Last accessed on 2014 December 02].
2. Available from: http://clinicaltrials.gov/show/NCT02046187 [Last accessed on 2014 December 02 ].
3. Available from: http://www.clinicaltrials.gov/ct2/show/results/NCT00575146?sect=X301256#evnt [Last accessed on 2014 December 02].
4. Available from: http://www.clinicaltrials.gov/show/NCT01754350 [Last accessed on 2014 December 02 ].