| article html file updated | 8 February 2020 12:34 CET | Update | https://www.mdpi.com/2079-4991/7/8/209 |
| article html file updated | 26 September 2019 07:24 CEST | Update | - |
| article html file updated | 3 May 2019 08:55 CEST | Update | - |
| article html file updated | 27 March 2019 18:47 CET | Update | - |
| article html file updated | 1 September 2017 08:36 CEST | Update | - |
| article html file updated | 1 August 2017 15:10 CEST | Original file | - |
| article xml uploaded. | 1 August 2017 15:08 CEST | Original file | https://www.mdpi.com/2079-4991/7/8/209/xml |
| article pdf uploaded. | 1 August 2017 15:08 CEST | Version of Record | https://www.mdpi.com/2079-4991/7/8/209/pdf |
