| article html file updated | 7 February 2020 02:21 CET | Update | https://www.mdpi.com/1999-4893/8/4/1195 |
| article html file updated | 21 September 2019 08:05 CEST | Update | - |
| article html file updated | 6 May 2019 04:44 CEST | Update | - |
| article html file updated | 26 March 2019 16:40 CET | Original file | - |
| article pdf uploaded. | 17 December 2015 15:26 CET | Version of Record | https://www.mdpi.com/1999-4893/8/4/1195/pdf |
| article xml uploaded. | 17 December 2015 15:26 CET | Original file | https://www.mdpi.com/1999-4893/8/4/1195/xml |
