| article html file updated | 8 February 2020 04:10 CET | Update | https://www.mdpi.com/1099-4300/19/4/181 |
| article html file updated | 4 May 2019 01:07 CEST | Update | - |
| article html file updated | 28 April 2017 06:38 CEST | Update | - |
| article html file updated | 24 April 2017 13:20 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 13:19 CEST | Original file | https://www.mdpi.com/1099-4300/19/4/181/xml |
| article pdf uploaded. | 24 April 2017 13:19 CEST | Updated version of record | https://www.mdpi.com/1099-4300/19/4/181/pdf |
| article pdf uploaded. | 22 April 2017 11:45 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/4/181/pdf-vor |
