| article html file updated | 7 February 2020 05:27 CET | Update | https://www.mdpi.com/1660-4601/13/3/281 |
| article html file updated | 5 May 2019 22:26 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:34 CET | Update | N/A |
| article html file updated | 28 March 2016 11:12 CEST | Original file | N/A |
| article pdf uploaded. | 4 March 2016 08:41 CET | Version of Record | https://www.mdpi.com/1660-4601/13/3/281/pdf |
| article xml uploaded. | 4 March 2016 08:41 CET | Original file | https://www.mdpi.com/1660-4601/13/3/281/xml |
