| article html file updated | 9 February 2020 05:40 CET | Update | https://www.mdpi.com/1424-8220/18/2/480 |
| article html file updated | 30 September 2019 13:36 CEST | Update | - |
| article html file updated | 1 May 2019 20:37 CEST | Update | - |
| article html file updated | 17 April 2019 19:38 CEST | Update | - |
| article html file updated | 28 March 2019 21:14 CET | Update | - |
| article html file updated | 14 March 2018 19:16 CET | Update | - |
| article html file updated | 6 February 2018 12:12 CET | Original file | - |
| article xml uploaded. | 6 February 2018 12:11 CET | Update | https://www.mdpi.com/1424-8220/18/2/480/xml |
| article xml uploaded. | 6 February 2018 12:11 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 12:11 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/480/pdf |
