| article html file updated | 8 February 2020 23:53 CET | Update | https://www.mdpi.com/2077-0383/6/12/118 |
| article html file updated | 29 September 2019 03:59 CEST | Update | - |
| article html file updated | 2 May 2019 08:59 CEST | Update | - |
| article html file updated | 18 April 2019 06:44 CEST | Update | - |
| article html file updated | 2 January 2018 18:15 CET | Update | - |
| article html file updated | 12 December 2017 14:12 CET | Original file | - |
| article xml uploaded. | 12 December 2017 14:10 CET | Original file | https://www.mdpi.com/2077-0383/6/12/118/xml |
| article pdf uploaded. | 12 December 2017 14:10 CET | Version of Record | https://www.mdpi.com/2077-0383/6/12/118/pdf |
