| article html file updated | 9 February 2020 04:38 CET | Update | https://www.mdpi.com/1424-8220/18/2/378 |
| article html file updated | 30 September 2019 07:16 CEST | Update | - |
| article html file updated | 1 May 2019 22:56 CEST | Update | - |
| article html file updated | 17 April 2019 21:35 CEST | Update | - |
| article html file updated | 28 March 2019 18:58 CET | Update | - |
| article html file updated | 14 March 2018 18:33 CET | Update | - |
| article html file updated | 28 January 2018 11:15 CET | Original file | - |
| article xml uploaded. | 28 January 2018 11:14 CET | Original file | https://www.mdpi.com/1424-8220/18/2/378/xml |
| article pdf uploaded. | 28 January 2018 11:14 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/378/pdf |
