| article html file updated | 7 February 2020 16:01 CET | Update | https://www.mdpi.com/1660-4601/13/10/990 |
| article html file updated | 5 May 2019 02:15 CEST | Update | N/A |
| article html file updated | 31 October 2016 07:01 CET | Update | N/A |
| article html file updated | 11 October 2016 12:25 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2016 12:24 CEST | Update | https://www.mdpi.com/1660-4601/13/10/990/xml |
| article xml uploaded. | 11 October 2016 12:24 CEST | Original file | N/A |
| article pdf uploaded. | 11 October 2016 12:24 CEST | Updated version of record | https://www.mdpi.com/1660-4601/13/10/990/pdf |
| article pdf uploaded. | 7 October 2016 12:23 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/10/990/pdf-vor |