| article html file updated | 7 February 2020 10:30 CET | Update | https://www.mdpi.com/1660-4601/13/6/616 |
| article html file updated | 5 May 2019 12:18 CEST | Update | - |
| article html file updated | 27 March 2019 08:04 CET | Update | - |
| article html file updated | 28 June 2016 10:14 CEST | Update | - |
| article html file updated | 21 June 2016 14:55 CEST | Original file | - |
| article xml uploaded. | 21 June 2016 14:54 CEST | Original file | https://www.mdpi.com/1660-4601/13/6/616/xml |
| article pdf uploaded. | 21 June 2016 14:54 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/6/616/pdf |
