| article html file updated | 6 February 2020 11:19 CET | Update | https://www.mdpi.com/2075-163X/4/3/746 |
| article html file updated | 7 May 2019 10:06 CEST | Update | - |
| article html file updated | 21 March 2019 22:41 CET | Update | - |
| article html file updated | 20 August 2015 14:51 CEST | Update | - |
| article html file updated | 26 September 2014 09:54 CEST | Original file | - |
| article xml file uploaded | 26 September 2014 09:54 CEST | Original file | https://www.mdpi.com/2075-163X/4/3/746/xml |
| article pdf uploaded. | 11 August 2014 13:21 CEST | Updated version of record | https://www.mdpi.com/2075-163X/4/3/746/pdf |
| article pdf uploaded. | 8 August 2014 12:37 CEST | Version of Record | https://www.mdpi.com/2075-163X/4/3/746/pdf-vor |
