| article html file updated | 7 February 2020 03:32 CET | Update | https://www.mdpi.com/1660-4601/13/1/137 |
| article html file updated | 21 September 2019 09:50 CEST | Update | - |
| article html file updated | 6 May 2019 02:23 CEST | Update | - |
| article html file updated | 26 March 2019 18:40 CET | Original file | - |
| article pdf uploaded. | 18 January 2016 08:50 CET | Version of Record | https://www.mdpi.com/1660-4601/13/1/137/pdf |
| article xml uploaded. | 18 January 2016 08:50 CET | Original file | https://www.mdpi.com/1660-4601/13/1/137/xml |
