| article html file updated | 9 February 2020 04:24 CET | Update | https://www.mdpi.com/2076-0760/7/2/17 |
| article html file updated | 30 September 2019 05:49 CEST | Update | - |
| article html file updated | 1 May 2019 23:26 CEST | Update | - |
| article html file updated | 17 April 2019 22:01 CEST | Update | - |
| article html file updated | 28 March 2019 18:29 CET | Update | - |
| article html file updated | 26 January 2018 07:27 CET | Original file | - |
| article xml uploaded. | 26 January 2018 07:26 CET | Original file | https://www.mdpi.com/2076-0760/7/2/17/xml |
| article pdf uploaded. | 26 January 2018 07:26 CET | Version of Record | https://www.mdpi.com/2076-0760/7/2/17/pdf |
