| article html file updated | 9 February 2020 05:11 CET | Update | https://www.mdpi.com/1424-8220/18/2/430 |
| article html file updated | 30 September 2019 10:35 CEST | Update | - |
| article html file updated | 1 May 2019 21:43 CEST | Update | - |
| article html file updated | 17 April 2019 20:32 CEST | Update | - |
| article html file updated | 28 March 2019 20:12 CET | Update | - |
| article html file updated | 14 March 2018 18:53 CET | Update | - |
| article html file updated | 1 February 2018 16:10 CET | Original file | - |
| article xml uploaded. | 1 February 2018 12:20 CET | Update | https://www.mdpi.com/1424-8220/18/2/430/xml |
| article xml uploaded. | 1 February 2018 12:20 CET | Original file | - |
| article pdf uploaded. | 1 February 2018 12:20 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/430/pdf |
