| article html file updated | 7 February 2020 07:07 CET | Update | https://www.mdpi.com/1660-4601/13/4/417 |
| article html file updated | 5 May 2019 18:56 CEST | Update | - |
| article html file updated | 27 March 2019 01:36 CET | Update | - |
| article html file updated | 27 April 2016 10:12 CEST | Update | - |
| article html file updated | 12 April 2016 09:18 CEST | Original file | - |
| article xml uploaded. | 12 April 2016 09:17 CEST | Original file | https://www.mdpi.com/1660-4601/13/4/417/xml |
| article pdf uploaded. | 12 April 2016 09:17 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/4/417/pdf |
