| article html file updated | 8 February 2020 08:13 CET | Update | https://www.mdpi.com/1099-4300/19/6/270 |
| article html file updated | 25 September 2019 08:01 CEST | Update | - |
| article html file updated | 3 May 2019 17:36 CEST | Update | - |
| article html file updated | 27 June 2017 10:30 CEST | Update | - |
| article html file updated | 13 June 2017 13:44 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 13:42 CEST | Original file | https://www.mdpi.com/1099-4300/19/6/270/xml |
| article pdf uploaded. | 13 June 2017 13:42 CEST | Version of Record | https://www.mdpi.com/1099-4300/19/6/270/pdf |
