| article html file updated | 9 February 2020 00:25 CET | Update | https://www.mdpi.com/2073-8994/9/12/318 |
| article html file updated | 29 September 2019 07:11 CEST | Update | - |
| article html file updated | 2 May 2019 07:51 CEST | Update | - |
| article html file updated | 18 April 2019 05:40 CEST | Update | - |
| article html file updated | 2 January 2018 17:41 CET | Update | - |
| article html file updated | 18 December 2017 14:00 CET | Original file | - |
| article xml uploaded. | 18 December 2017 13:59 CET | Original file | https://www.mdpi.com/2073-8994/9/12/318/xml |
| article pdf uploaded. | 18 December 2017 13:59 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/318/pdf |
