| article html file updated | 7 February 2020 11:48 CET | Update | https://www.mdpi.com/1660-4601/13/7/721 |
| article html file updated | 5 May 2019 09:58 CEST | Update | - |
| article html file updated | 27 March 2019 10:29 CET | Update | - |
| article html file updated | 27 July 2016 10:44 CEST | Update | - |
| article html file updated | 16 July 2016 06:03 CEST | Original file | - |
| article xml uploaded. | 16 July 2016 06:02 CEST | Original file | https://www.mdpi.com/1660-4601/13/7/721/xml |
| article pdf uploaded. | 16 July 2016 06:02 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/7/721/pdf |
