| article html file updated | 7 February 2020 12:25 CET | Update | https://www.mdpi.com/2072-4292/8/8/621 |
| article html file updated | 5 May 2019 08:50 CEST | Update | - |
| article html file updated | 27 March 2019 11:37 CET | Update | - |
| article html file updated | 26 August 2016 11:35 CEST | Update | - |
| article html file updated | 27 July 2016 13:58 CEST | Update | - |
| article xml uploaded. | 27 July 2016 13:57 CEST | Update | https://www.mdpi.com/2072-4292/8/8/621/xml |
| article pdf uploaded. | 27 July 2016 13:57 CEST | Updated version of record | https://www.mdpi.com/2072-4292/8/8/621/pdf |
| article html file updated | 27 July 2016 13:52 CEST | Original file | - |
| article pdf uploaded. | 27 July 2016 13:51 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/8/621/pdf-vor |
