| article html file updated | 7 February 2020 16:25 CET | Update | https://www.mdpi.com/2073-431X/5/4/24 |
| article html file updated | 5 May 2019 01:31 CEST | Update | - |
| article html file updated | 28 December 2016 08:28 CET | Update | - |
| article html file updated | 15 October 2016 12:34 CEST | Original file | - |
| article xml uploaded. | 15 October 2016 12:33 CEST | Update | https://www.mdpi.com/2073-431X/5/4/24/xml |
| article xml uploaded. | 15 October 2016 12:33 CEST | Original file | - |
| article pdf uploaded. | 15 October 2016 12:33 CEST | Version of Record | https://www.mdpi.com/2073-431X/5/4/24/pdf |
