| article html file updated | 8 February 2020 22:50 CET | Update | https://www.mdpi.com/2073-8994/9/12/298 |
| article html file updated | 28 September 2019 21:57 CEST | Update | - |
| article html file updated | 2 May 2019 11:19 CEST | Update | - |
| article html file updated | 18 April 2019 08:56 CEST | Update | - |
| article html file updated | 2 January 2018 17:36 CET | Update | - |
| article html file updated | 1 December 2017 16:29 CET | Original file | - |
| article xml uploaded. | 1 December 2017 16:27 CET | Update | https://www.mdpi.com/2073-8994/9/12/298/xml |
| article xml uploaded. | 1 December 2017 16:27 CET | Original file | - |
| article pdf uploaded. | 1 December 2017 16:27 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/298/pdf |
