| article html file updated | 7 February 2020 05:39 CET | Update | https://www.mdpi.com/1660-4601/13/3/306 |
| article html file updated | 5 May 2019 21:59 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:59 CET | Update | N/A |
| article html file updated | 28 March 2016 11:13 CEST | Original file | N/A |
| article pdf uploaded. | 9 March 2016 11:37 CET | Version of Record | https://www.mdpi.com/1660-4601/13/3/306/pdf |
| article xml uploaded. | 9 March 2016 11:37 CET | Original file | https://www.mdpi.com/1660-4601/13/3/306/xml |
