| article html file updated | 7 February 2020 20:35 CET | Update | https://www.mdpi.com/1660-4601/14/1/33 |
| article html file updated | 22 September 2019 16:48 CEST | Update | - |
| article html file updated | 4 May 2019 17:13 CEST | Update | - |
| article html file updated | 7 February 2017 10:48 CET | Update | - |
| article html file updated | 30 December 2016 13:10 CET | Original file | - |
| article xml uploaded. | 30 December 2016 13:09 CET | Update | https://www.mdpi.com/1660-4601/14/1/33/xml |
| article xml uploaded. | 30 December 2016 13:09 CET | Original file | - |
| article pdf uploaded. | 30 December 2016 13:09 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/33/pdf |
