| article html file updated | 9 February 2020 03:29 CET | Update | https://www.mdpi.com/1424-8220/18/1/273 |
| article html file updated | 30 September 2019 00:40 CEST | Update | - |
| article html file updated | 2 May 2019 01:23 CEST | Update | - |
| article html file updated | 17 April 2019 23:42 CEST | Update | - |
| article html file updated | 28 March 2019 16:33 CET | Update | - |
| article html file updated | 2 February 2018 11:10 CET | Update | - |
| article html file updated | 18 January 2018 09:48 CET | Original file | - |
| article xml uploaded. | 18 January 2018 09:47 CET | Update | https://www.mdpi.com/1424-8220/18/1/273/xml |
| article xml uploaded. | 18 January 2018 09:47 CET | Original file | - |
| article pdf uploaded. | 18 January 2018 09:47 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/273/pdf |
