| article html file updated | 7 February 2020 23:04 CET | Update | https://www.mdpi.com/1660-4601/14/2/174 |
| article html file updated | 23 September 2019 06:14 CEST | Update | - |
| article html file updated | 4 May 2019 11:52 CEST | Update | - |
| article html file updated | 2 March 2017 10:33 CET | Update | - |
| article html file updated | 10 February 2017 13:41 CET | Original file | - |
| article xml uploaded. | 10 February 2017 13:40 CET | Original file | https://www.mdpi.com/1660-4601/14/2/174/xml |
| article pdf uploaded. | 10 February 2017 13:40 CET | Version of Record | https://www.mdpi.com/1660-4601/14/2/174/pdf |
