| article html file updated | 9 February 2020 05:23 CET | Update | https://www.mdpi.com/1424-8220/18/2/444 |
| article html file updated | 30 September 2019 11:56 CEST | Update | - |
| article html file updated | 1 May 2019 21:16 CEST | Update | - |
| article html file updated | 17 April 2019 20:10 CEST | Update | - |
| article html file updated | 28 March 2019 20:38 CET | Update | - |
| article html file updated | 14 March 2018 18:58 CET | Update | - |
| article html file updated | 8 March 2018 09:26 CET | Original file | - |
| article xml uploaded. | 8 March 2018 09:24 CET | Update | https://www.mdpi.com/1424-8220/18/2/444/xml |
| article xml uploaded. | 3 February 2018 05:19 CET | Update | - |
| article xml uploaded. | 3 February 2018 05:19 CET | Original file | - |
| article pdf uploaded. | 3 February 2018 05:19 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/444/pdf |
