| article html file updated | 9 February 2020 00:17 CET | Update | https://www.mdpi.com/2073-4360/9/12/719 |
| article html file updated | 29 September 2019 06:29 CEST | Update | - |
| article html file updated | 2 May 2019 08:06 CEST | Update | - |
| article html file updated | 18 April 2019 05:55 CEST | Update | - |
| article html file updated | 2 January 2018 15:12 CET | Update | - |
| article html file updated | 16 December 2017 08:37 CET | Original file | - |
| article xml uploaded. | 16 December 2017 08:35 CET | Update | https://www.mdpi.com/2073-4360/9/12/719/xml |
| article xml uploaded. | 16 December 2017 08:35 CET | Original file | - |
| article pdf uploaded. | 16 December 2017 08:35 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/719/pdf |
