| article html file updated | 7 February 2020 15:21 CET | Update | https://www.mdpi.com/1660-4601/13/9/931 |
| article html file updated | 5 May 2019 03:27 CEST | Update | N/A |
| article html file updated | 26 September 2016 12:14 CEST | Update | N/A |
| article html file updated | 21 September 2016 13:37 CEST | Original file | N/A |
| article xml uploaded. | 21 September 2016 13:36 CEST | Original file | https://www.mdpi.com/1660-4601/13/9/931/xml |
| article pdf uploaded. | 21 September 2016 13:36 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/9/931/pdf |
