| article html file updated | 8 February 2020 15:42 CET | Update | https://www.mdpi.com/2072-4292/9/9/931 |
| article html file updated | 27 September 2019 00:51 CEST | Update | - |
| article html file updated | 3 May 2019 02:52 CEST | Update | - |
| article html file updated | 1 November 2017 05:23 CET | Update | - |
| article html file updated | 30 October 2017 03:57 CET | Update | - |
| article html file updated | 30 September 2017 10:34 CEST | Update | - |
| article html file updated | 8 September 2017 15:04 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 15:02 CEST | Update | https://www.mdpi.com/2072-4292/9/9/931/xml |
| article xml uploaded. | 8 September 2017 15:02 CEST | Original file | - |
| article pdf uploaded. | 8 September 2017 15:02 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/9/931/pdf |
