| article html file updated | 7 February 2020 20:13 CET | Update | https://www.mdpi.com/1660-4601/14/1/9 |
| article html file updated | 22 September 2019 14:45 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:58 CEST | Update | N/A |
| article html file updated | 7 February 2017 10:43 CET | Update | N/A |
| article html file updated | 23 December 2016 15:37 CET | Original file | N/A |
| article xml uploaded. | 23 December 2016 15:36 CET | Update | https://www.mdpi.com/1660-4601/14/1/9/xml |
| article xml uploaded. | 23 December 2016 15:36 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2016 15:36 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/9/pdf |
