| article html file updated | 8 February 2020 03:12 CET | Update | https://www.mdpi.com/2072-4292/9/4/355 |
| article html file updated | 24 September 2019 05:37 CEST | Update | - |
| article html file updated | 4 May 2019 02:58 CEST | Update | - |
| article html file updated | 29 April 2017 05:35 CEST | Update | - |
| article html file updated | 9 April 2017 07:27 CEST | Original file | - |
| article xml uploaded. | 9 April 2017 07:26 CEST | Update | https://www.mdpi.com/2072-4292/9/4/355/xml |
| article pdf uploaded. | 9 April 2017 07:26 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/355/pdf |
