| article html file updated | 7 February 2020 22:33 CET | Update | https://www.mdpi.com/1660-4601/14/2/140 |
| article html file updated | 4 May 2019 12:57 CEST | Update | - |
| article html file updated | 2 March 2017 10:29 CET | Update | - |
| article html file updated | 13 February 2017 02:41 CET | Original file | - |
| article xml uploaded. | 13 February 2017 02:33 CET | Original file | https://www.mdpi.com/1660-4601/14/2/140/xml |
| article pdf uploaded. | 13 February 2017 02:33 CET | Updated version of record | https://www.mdpi.com/1660-4601/14/2/140/pdf |
| article pdf uploaded. | 1 February 2017 10:59 CET | Version of Record | https://www.mdpi.com/1660-4601/14/2/140/pdf-vor |
