| article html file updated | 7 February 2020 23:47 CET | Update | https://www.mdpi.com/1660-4601/14/2/209 |
| article html file updated | 23 September 2019 10:08 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:28 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:35 CET | Update | N/A |
| article html file updated | 22 February 2017 09:03 CET | Original file | N/A |
| article xml uploaded. | 22 February 2017 09:01 CET | Original file | https://www.mdpi.com/1660-4601/14/2/209/xml |
| article pdf uploaded. | 22 February 2017 09:01 CET | Updated version of record | https://www.mdpi.com/1660-4601/14/2/209/pdf |
| article pdf uploaded. | 20 February 2017 10:10 CET | Version of Record | https://www.mdpi.com/1660-4601/14/2/209/pdf-vor |
