| article html file updated | 8 February 2020 02:24 CET | Update | https://www.mdpi.com/2072-4292/9/4/315 |
| article html file updated | 24 September 2019 01:05 CEST | Update | - |
| article html file updated | 4 May 2019 04:43 CEST | Update | - |
| article html file updated | 29 April 2017 05:46 CEST | Update | - |
| article html file updated | 28 March 2017 14:27 CEST | Original file | - |
| article xml uploaded. | 28 March 2017 14:25 CEST | Update | https://www.mdpi.com/2072-4292/9/4/315/xml |
| article pdf uploaded. | 28 March 2017 14:25 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/315/pdf |
