| article html file updated | 9 February 2020 00:33 CET | Update | https://www.mdpi.com/2073-4344/7/12/394 |
| article html file updated | 29 September 2019 07:58 CEST | Update | - |
| article html file updated | 2 May 2019 07:33 CEST | Update | - |
| article html file updated | 18 April 2019 05:24 CEST | Update | - |
| article html file updated | 2 January 2018 15:29 CET | Update | - |
| article html file updated | 19 December 2017 13:00 CET | Original file | - |
| article xml uploaded. | 19 December 2017 12:59 CET | Original file | https://www.mdpi.com/2073-4344/7/12/394/xml |
| article pdf uploaded. | 19 December 2017 12:59 CET | Version of Record | https://www.mdpi.com/2073-4344/7/12/394/pdf |
