| article html file updated | 7 February 2020 09:40 CET | Update | https://www.mdpi.com/1660-4601/13/6/554 |
| article html file updated | 5 May 2019 13:53 CEST | Update | - |
| article html file updated | 27 March 2019 06:30 CET | Update | - |
| article html file updated | 28 June 2016 10:09 CEST | Update | - |
| article html file updated | 2 June 2016 14:45 CEST | Original file | - |
| article xml uploaded. | 2 June 2016 14:43 CEST | Original file | https://www.mdpi.com/1660-4601/13/6/554/xml |
| article pdf uploaded. | 2 June 2016 14:43 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/6/554/pdf |
