| article html file updated | 6 February 2020 10:21 CET | Update | https://www.mdpi.com/2072-4292/6/7/6111 |
| article html file updated | 7 May 2019 12:20 CEST | Update | N/A |
| article html file updated | 21 March 2019 19:54 CET | Update | N/A |
| article html file updated | 20 August 2015 11:21 CEST | Update | N/A |
| article html file updated | 13 August 2014 12:22 CEST | Original file | N/A |
| article xml file uploaded | 13 August 2014 12:21 CEST | Original file | https://www.mdpi.com/2072-4292/6/7/6111/xml |
| article pdf uploaded. | 3 July 2014 12:51 CEST | Updated version of record | https://www.mdpi.com/2072-4292/6/7/6111/pdf |
| article pdf uploaded. | 30 June 2014 13:45 CEST | Version of Record | https://www.mdpi.com/2072-4292/6/7/6111/pdf-vor |
