| article html file updated | 8 February 2020 07:31 CET | Update | https://www.mdpi.com/1099-4300/19/6/257 |
| article html file updated | 3 May 2019 18:53 CEST | Update | - |
| article html file updated | 27 June 2017 10:28 CEST | Update | - |
| article html file updated | 6 June 2017 13:51 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 13:50 CEST | Update | https://www.mdpi.com/1099-4300/19/6/257/xml |
| article pdf uploaded. | 6 June 2017 13:50 CEST | Updated version of record | https://www.mdpi.com/1099-4300/19/6/257/pdf |
| article pdf uploaded. | 5 June 2017 14:29 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/6/257/pdf-vor |
