| article html file updated | 7 February 2020 16:55 CET | Update | https://www.mdpi.com/2073-431X/5/4/25 |
| article html file updated | 5 May 2019 00:35 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:30 CET | Update | N/A |
| article html file updated | 25 October 2016 09:40 CEST | Original file | N/A |
| article xml uploaded. | 25 October 2016 09:39 CEST | Update | https://www.mdpi.com/2073-431X/5/4/25/xml |
| article xml uploaded. | 25 October 2016 09:39 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2016 09:39 CEST | Version of Record | https://www.mdpi.com/2073-431X/5/4/25/pdf |
