| article html file updated | 8 February 2020 03:29 CET | Update | https://www.mdpi.com/1099-4300/19/4/159 |
| article html file updated | 24 September 2019 07:04 CEST | Update | - |
| article html file updated | 4 May 2019 02:25 CEST | Update | - |
| article html file updated | 28 April 2017 06:35 CEST | Update | - |
| article html file updated | 13 April 2017 04:42 CEST | Original file | - |
| article xml uploaded. | 13 April 2017 04:40 CEST | Original file | https://www.mdpi.com/1099-4300/19/4/159/xml |
| article pdf uploaded. | 13 April 2017 04:40 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/4/159/pdf |
