| article html file updated | 7 February 2020 20:17 CET | Update | https://www.mdpi.com/1099-4300/19/1/7 |
| article html file updated | 4 May 2019 17:51 CEST | Update | - |
| article html file updated | 7 February 2017 04:11 CET | Update | - |
| article html file updated | 28 December 2016 02:34 CET | Original file | - |
| article xml uploaded. | 28 December 2016 02:33 CET | Original file | https://www.mdpi.com/1099-4300/19/1/7/xml |
| article pdf uploaded. | 28 December 2016 02:33 CET | Updated version of record | https://www.mdpi.com/1099-4300/19/1/7/pdf |
| article pdf uploaded. | 25 December 2016 03:19 CET | Version of Record | https://www.mdpi.com/1099-4300/19/1/7/pdf-vor |
