| article html file updated | 6 February 2020 23:05 CET | Update | https://www.mdpi.com/2072-4292/7/9/12440 |
| article html file updated | 6 May 2019 10:45 CEST | Update | - |
| article html file updated | 26 March 2019 11:17 CET | Update | - |
| article html file updated | 9 October 2015 06:21 CEST | Original file | - |
| article xml file uploaded | 9 October 2015 06:21 CEST | Original file | https://www.mdpi.com/2072-4292/7/9/12440/xml |
| article pdf uploaded. | 23 September 2015 05:14 CEST | Updated version of record | https://www.mdpi.com/2072-4292/7/9/12440/pdf |
| article pdf uploaded. | 22 September 2015 11:39 CEST | Version of Record | https://www.mdpi.com/2072-4292/7/9/12440/pdf-vor |
