| article html file updated | 7 February 2020 06:24 CET | Update | https://www.mdpi.com/2072-4292/8/4/280 |
| article html file updated | 5 May 2019 20:25 CEST | Update | - |
| article html file updated | 27 March 2019 00:20 CET | Update | - |
| article html file updated | 28 April 2016 12:50 CEST | Update | - |
| article html file updated | 25 March 2016 09:40 CET | Original file | - |
| article xml uploaded. | 25 March 2016 09:38 CET | Original file | https://www.mdpi.com/2072-4292/8/4/280/xml |
| article pdf uploaded. | 25 March 2016 09:38 CET | Version of Record | https://www.mdpi.com/2072-4292/8/4/280/pdf |
