| article html file updated | 7 February 2020 10:23 CET | Update | https://www.mdpi.com/1660-4601/13/6/606 |
| article html file updated | 5 May 2019 12:32 CEST | Update | - |
| article html file updated | 27 March 2019 07:52 CET | Update | - |
| article html file updated | 28 June 2016 10:14 CEST | Update | - |
| article html file updated | 18 June 2016 05:32 CEST | Original file | - |
| article xml uploaded. | 18 June 2016 05:30 CEST | Update | https://www.mdpi.com/1660-4601/13/6/606/xml |
| article pdf uploaded. | 18 June 2016 05:30 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/6/606/pdf |
