| article html file updated | 8 February 2020 08:05 CET | Update | https://www.mdpi.com/1099-4300/19/6/254 |
| article html file updated | 25 September 2019 07:23 CEST | Update | - |
| article html file updated | 3 May 2019 17:49 CEST | Update | - |
| article html file updated | 27 June 2017 10:27 CEST | Update | - |
| article html file updated | 12 June 2017 14:12 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 14:11 CEST | Update | https://www.mdpi.com/1099-4300/19/6/254/xml |
| article pdf uploaded. | 12 June 2017 14:11 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/6/254/pdf |
