| article html file updated | 9 February 2020 03:02 CET | Update | https://www.mdpi.com/1424-8220/18/1/222 |
| article html file updated | 29 September 2019 21:50 CEST | Update | - |
| article html file updated | 2 May 2019 02:18 CEST | Update | - |
| article html file updated | 18 April 2019 00:33 CEST | Update | - |
| article html file updated | 28 March 2019 15:29 CET | Update | - |
| article html file updated | 2 February 2018 10:59 CET | Update | - |
| article html file updated | 14 January 2018 09:45 CET | Original file | - |
| article xml uploaded. | 14 January 2018 09:44 CET | Original file | https://www.mdpi.com/1424-8220/18/1/222/xml |
| article pdf uploaded. | 14 January 2018 09:44 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/222/pdf |
