| article html file updated | 7 February 2020 04:02 CET | Update | https://www.mdpi.com/1660-4601/13/2/174 |
| article html file updated | 6 May 2019 01:25 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:40 CET | Original file | N/A |
| article pdf uploaded. | 29 January 2016 08:07 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/174/pdf |
| article xml uploaded. | 29 January 2016 08:07 CET | Original file | https://www.mdpi.com/1660-4601/13/2/174/xml |
