| article html file updated | 7 February 2020 04:32 CET | Update | https://www.mdpi.com/1660-4601/13/2/215 |
| article html file updated | 21 September 2019 11:18 CEST | Update | - |
| article html file updated | 6 May 2019 00:24 CEST | Update | - |
| article html file updated | 26 March 2019 20:41 CET | Original file | - |
| article pdf uploaded. | 15 February 2016 08:42 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/215/pdf |
| article xml uploaded. | 15 February 2016 08:42 CET | Original file | https://www.mdpi.com/1660-4601/13/2/215/xml |
