| article html file updated | 9 February 2020 13:51 CET | Update | https://www.mdpi.com/1660-4601/15/4/756 |
| article html file updated | 2 October 2019 15:13 CEST | Update | - |
| article html file updated | 1 May 2019 03:25 CEST | Update | - |
| article html file updated | 17 April 2019 03:49 CEST | Update | - |
| article html file updated | 29 March 2019 15:46 CET | Update | - |
| article html file updated | 1 May 2018 05:10 CEST | Update | - |
| article html file updated | 15 April 2018 05:08 CEST | Original file | - |
| article xml uploaded. | 15 April 2018 05:07 CEST | Original file | https://www.mdpi.com/1660-4601/15/4/756/xml |
| article pdf uploaded. | 15 April 2018 05:07 CEST | Version of Record | https://www.mdpi.com/1660-4601/15/4/756/pdf |
