| article html file updated | 7 February 2020 09:41 CET | Update | https://www.mdpi.com/1660-3397/14/6/111 |
| article html file updated | 5 May 2019 13:50 CEST | Update | - |
| article html file updated | 27 March 2019 06:33 CET | Update | - |
| article html file updated | 29 June 2016 10:10 CEST | Update | - |
| article html file updated | 3 June 2016 14:03 CEST | Original file | - |
| article xml uploaded. | 3 June 2016 14:02 CEST | Original file | https://www.mdpi.com/1660-3397/14/6/111/xml |
| article pdf uploaded. | 3 June 2016 14:02 CEST | Version of Record | https://www.mdpi.com/1660-3397/14/6/111/pdf |
