| article html file updated | 6 February 2020 12:58 CET | Update | https://www.mdpi.com/2073-4441/6/10/3152 |
| article html file updated | 7 May 2019 06:50 CEST | Update | - |
| article html file updated | 22 March 2019 03:00 CET | Update | - |
| article html file updated | 20 August 2015 23:45 CEST | Update | - |
| article html file updated | 28 October 2014 03:25 CET | Original file | - |
| article xml file uploaded | 28 October 2014 03:25 CET | Original file | https://www.mdpi.com/2073-4441/6/10/3152/xml |
| article pdf uploaded. | 24 October 2014 08:50 CEST | Updated version of record | https://www.mdpi.com/2073-4441/6/10/3152/pdf |
| article pdf uploaded. | 20 October 2014 14:58 CEST | Version of Record | https://www.mdpi.com/2073-4441/6/10/3152/pdf-vor |