| article html file updated | 7 February 2020 10:09 CET | Update | https://www.mdpi.com/1660-4601/13/6/591 |
| article html file updated | 5 May 2019 12:58 CEST | Update | - |
| article html file updated | 27 March 2019 07:28 CET | Update | - |
| article html file updated | 28 June 2016 10:11 CEST | Update | - |
| article html file updated | 14 June 2016 14:25 CEST | Original file | - |
| article xml uploaded. | 14 June 2016 14:24 CEST | Update | https://www.mdpi.com/1660-4601/13/6/591/xml |
| article pdf uploaded. | 14 June 2016 14:24 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/6/591/pdf |
