| article html file updated | 7 February 2020 09:40 CET | Update | https://www.mdpi.com/1660-4601/13/6/556 |
| article html file updated | 5 May 2019 13:53 CEST | Update | - |
| article html file updated | 27 March 2019 06:31 CET | Update | - |
| article html file updated | 28 June 2016 10:09 CEST | Update | - |
| article html file updated | 2 June 2016 13:46 CEST | Original file | - |
| article xml uploaded. | 2 June 2016 13:45 CEST | Update | https://www.mdpi.com/1660-4601/13/6/556/xml |
| article pdf uploaded. | 2 June 2016 13:45 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/6/556/pdf |
