| article html file updated | 8 February 2020 23:53 CET | Update | https://www.mdpi.com/2077-1444/8/12/271 |
| article html file updated | 2 May 2019 08:58 CEST | Update | - |
| article html file updated | 18 April 2019 06:43 CEST | Update | - |
| article html file updated | 2 January 2018 15:39 CET | Update | - |
| article html file updated | 12 December 2017 14:41 CET | Original file | - |
| article xml uploaded. | 12 December 2017 14:40 CET | Original file | https://www.mdpi.com/2077-1444/8/12/271/xml |
| article pdf uploaded. | 12 December 2017 14:40 CET | Version of Record | https://www.mdpi.com/2077-1444/8/12/271/pdf |
