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| article xml file uploaded | 16 December 2014 04:50 CET | Original file | https://www.mdpi.com/1424-2818/6/4/705/xml |
| article supplementary file uploaded. | 14 November 2014 09:41 CET | - | https://www.mdpi.com/1424-2818/6/4/705#supplementary |
| article pdf uploaded. | 13 November 2014 17:02 CET | Updated version of record | https://www.mdpi.com/1424-2818/6/4/705/pdf |
| article pdf uploaded. | 12 November 2014 15:31 CET | Version of Record | https://www.mdpi.com/1424-2818/6/4/705/pdf-vor |
