| article html file updated | 9 February 2020 13:00 CET | Update | https://www.mdpi.com/2073-4344/8/4/151 |
| article html file updated | 2 October 2019 09:49 CEST | Update | - |
| article html file updated | 1 May 2019 05:07 CEST | Update | - |
| article html file updated | 17 April 2019 05:20 CEST | Update | - |
| article html file updated | 29 March 2019 13:47 CET | Update | - |
| article html file updated | 1 May 2018 14:46 CEST | Update | - |
| article html file updated | 9 April 2018 08:08 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 08:07 CEST | Update | https://www.mdpi.com/2073-4344/8/4/151/xml |
| article pdf uploaded. | 9 April 2018 08:07 CEST | Version of Record | https://www.mdpi.com/2073-4344/8/4/151/pdf |
