| article html file updated | 8 February 2020 07:41 CET | Update | https://www.mdpi.com/1660-4601/14/6/609 |
| article html file updated | 25 September 2019 05:23 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:35 CEST | Update | N/A |
| article html file updated | 28 June 2017 13:11 CEST | Update | N/A |
| article html file updated | 7 June 2017 12:25 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2017 12:24 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/609/xml |
| article pdf uploaded. | 7 June 2017 12:24 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/609/pdf |
