| article html file updated | 7 February 2020 22:29 CET | Update | https://www.mdpi.com/1660-4601/14/2/137 |
| article html file updated | 23 September 2019 02:56 CEST | Update | - |
| article html file updated | 4 May 2019 13:05 CEST | Update | - |
| article html file updated | 2 March 2017 10:29 CET | Update | - |
| article html file updated | 10 February 2017 07:50 CET | Original file | - |
| article xml uploaded. | 10 February 2017 07:49 CET | Original file | https://www.mdpi.com/1660-4601/14/2/137/xml |
| article pdf uploaded. | 10 February 2017 07:49 CET | Updated version of record | https://www.mdpi.com/1660-4601/14/2/137/pdf |
| article pdf uploaded. | 30 January 2017 10:51 CET | Version of Record | https://www.mdpi.com/1660-4601/14/2/137/pdf-vor |
