| article html file updated | 8 February 2020 06:34 CET | Update | https://www.mdpi.com/1660-4601/14/6/557 |
| article html file updated | 24 September 2019 23:39 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:39 CEST | Update | N/A |
| article html file updated | 28 June 2017 13:06 CEST | Update | N/A |
| article html file updated | 24 May 2017 12:24 CEST | Original file | N/A |
| article xml uploaded. | 24 May 2017 12:23 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/557/xml |
| article pdf uploaded. | 24 May 2017 12:23 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/557/pdf |
