Acknowledgements
This study would have not been possible without the help of our colleague and friend Dr Andrei Cucuianu. Unfortunately, he passed away while the study was in progress.
The study was supported by Internal Research Grants from the Universities of Medicine and Pharmacy Cluj-Napoca and Tîrgu-Mureş to RMC (grant number 1493/2/28.01.2014) and CB (grant number 1/30.01.2013).
Potential conflict of interest
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