A bit of real science to help you decide:
http://informahealthcare.com/doi/abs/10.3109/08958378.2012.724728
http://clearstream.flavourart.it/site/wp-content/uploads/2012/09/CSA_ItaEng.pdf
http://informahealthcare.com/doi/abs/10.3109/08958378.2012.724728
http://clearstream.flavourart.it/site/wp-content/uploads/2012/09/CSA_ItaEng.pdf
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