| article html file updated | 7 February 2020 10:31 CET | Update | https://www.mdpi.com/2072-4292/8/6/520 |
| article html file updated | 5 May 2019 12:15 CEST | Update | - |
| article html file updated | 27 March 2019 08:07 CET | Update | - |
| article html file updated | 1 July 2016 11:33 CEST | Update | - |
| article html file updated | 21 June 2016 15:28 CEST | Original file | - |
| article xml uploaded. | 21 June 2016 15:27 CEST | Update | https://www.mdpi.com/2072-4292/8/6/520/xml |
| article pdf uploaded. | 21 June 2016 15:27 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/6/520/pdf |
