| article html file updated | 9 February 2020 04:26 CET | Update | https://www.mdpi.com/1424-8220/18/2/354 |
| article html file updated | 30 September 2019 05:58 CEST | Update | - |
| article html file updated | 1 May 2019 23:23 CEST | Update | - |
| article html file updated | 17 April 2019 21:59 CEST | Update | - |
| article html file updated | 28 March 2019 18:32 CET | Update | - |
| article html file updated | 14 March 2018 18:25 CET | Update | - |
| article html file updated | 26 January 2018 09:39 CET | Original file | - |
| article xml uploaded. | 26 January 2018 09:38 CET | Update | https://www.mdpi.com/1424-8220/18/2/354/xml |
| article xml uploaded. | 26 January 2018 09:38 CET | Original file | - |
| article pdf uploaded. | 26 January 2018 09:38 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/354/pdf |
