| article html file updated | 9 February 2020 06:37 CET | Update | https://www.mdpi.com/1424-8220/18/2/578 |
| article html file updated | 30 September 2019 19:16 CEST | Update | - |
| article html file updated | 1 May 2019 18:28 CEST | Update | - |
| article html file updated | 17 April 2019 17:46 CEST | Update | - |
| article html file updated | 28 March 2019 23:17 CET | Update | - |
| article html file updated | 14 March 2018 19:51 CET | Update | - |
| article html file updated | 14 February 2018 02:33 CET | Original file | - |
| article xml uploaded. | 14 February 2018 02:32 CET | Update | https://www.mdpi.com/1424-8220/18/2/578/xml |
| article xml uploaded. | 14 February 2018 02:32 CET | Original file | - |
| article pdf uploaded. | 14 February 2018 02:32 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/578/pdf |
