| article html file updated | 8 February 2020 07:55 CET | Update | https://www.mdpi.com/2072-4292/9/6/581 |
| article html file updated | 25 September 2019 06:29 CEST | Update | - |
| article html file updated | 3 May 2019 18:09 CEST | Update | - |
| article html file updated | 30 June 2017 09:45 CEST | Update | - |
| article html file updated | 22 June 2017 03:47 CEST | Update | - |
| article xml uploaded. | 22 June 2017 03:46 CEST | Update | https://www.mdpi.com/2072-4292/9/6/581/xml |
| article pdf uploaded. | 22 June 2017 03:46 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/581/pdf |
| article html file updated | 13 June 2017 09:00 CEST | Original file | - |
| article pdf uploaded. | 13 June 2017 08:59 CEST | Updated version of record | - |
