| article html file updated | 8 February 2020 08:36 CET | Update | https://www.mdpi.com/2072-4292/9/6/623 |
| article html file updated | 25 September 2019 10:07 CEST | Update | - |
| article html file updated | 3 May 2019 16:51 CEST | Update | - |
| article html file updated | 30 June 2017 09:58 CEST | Update | - |
| article html file updated | 17 June 2017 13:15 CEST | Original file | - |
| article xml uploaded. | 17 June 2017 13:13 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/623/xml |
| article pdf uploaded. | 17 June 2017 13:13 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/623/pdf |
