| article html file updated | 7 February 2020 22:26 CET | Update | https://www.mdpi.com/1099-4300/19/2/57 |
| article html file updated | 4 May 2019 13:12 CEST | Update | - |
| article html file updated | 28 February 2017 10:53 CET | Update | - |
| article html file updated | 7 February 2017 10:35 CET | Original file | - |
| article xml uploaded. | 7 February 2017 10:18 CET | Original file | https://www.mdpi.com/1099-4300/19/2/57/xml |
| article pdf uploaded. | 7 February 2017 10:18 CET | Updated version of record | https://www.mdpi.com/1099-4300/19/2/57/pdf |
| article pdf uploaded. | 28 January 2017 10:59 CET | Version of Record | https://www.mdpi.com/1099-4300/19/2/57/pdf-vor |
