| article html file updated | 9 February 2020 05:44 CET | Update | https://www.mdpi.com/1424-8220/18/2/490 |
| article html file updated | 30 September 2019 14:01 CEST | Update | - |
| article html file updated | 1 May 2019 20:28 CEST | Update | - |
| article html file updated | 17 April 2019 19:31 CEST | Update | - |
| article html file updated | 28 March 2019 21:23 CET | Update | - |
| article html file updated | 14 March 2018 19:20 CET | Update | - |
| article html file updated | 6 February 2018 18:16 CET | Original file | - |
| article xml uploaded. | 6 February 2018 18:15 CET | Update | https://www.mdpi.com/1424-8220/18/2/490/xml |
| article xml uploaded. | 6 February 2018 18:15 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 18:15 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/490/pdf |
