| article html file updated | 9 February 2020 03:06 CET | Update | https://www.mdpi.com/1424-8220/18/1/234 |
| article html file updated | 29 September 2019 22:15 CEST | Update | - |
| article html file updated | 2 May 2019 02:09 CEST | Update | - |
| article html file updated | 18 April 2019 00:24 CEST | Update | - |
| article html file updated | 28 March 2019 15:40 CET | Update | - |
| article html file updated | 2 February 2018 11:02 CET | Update | - |
| article html file updated | 15 January 2018 12:52 CET | Original file | - |
| article xml uploaded. | 15 January 2018 12:51 CET | Update | https://www.mdpi.com/1424-8220/18/1/234/xml |
| article xml uploaded. | 15 January 2018 12:51 CET | Original file | - |
| article pdf uploaded. | 15 January 2018 12:51 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/234/pdf |
