| article html file updated | 8 February 2020 08:52 CET | Update | https://www.mdpi.com/1660-4601/14/6/666 |
| article html file updated | 25 September 2019 11:26 CEST | Update | - |
| article html file updated | 3 May 2019 16:22 CEST | Update | - |
| article html file updated | 28 June 2017 13:05 CEST | Update | - |
| article html file updated | 21 June 2017 12:47 CEST | Original file | - |
| article xml uploaded. | 21 June 2017 12:46 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/666/xml |
| article pdf uploaded. | 21 June 2017 12:46 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/666/pdf |
