| article html file updated | 8 February 2020 20:08 CET | Update | https://www.mdpi.com/1424-8220/17/11/2521 |
| article html file updated | 28 September 2019 04:24 CEST | Update | - |
| article html file updated | 2 May 2019 17:26 CEST | Update | - |
| article html file updated | 30 November 2017 13:23 CET | Update | - |
| article html file updated | 2 November 2017 09:03 CET | Original file | - |
| article xml uploaded. | 2 November 2017 09:02 CET | Update | https://www.mdpi.com/1424-8220/17/11/2521/xml |
| article xml uploaded. | 2 November 2017 09:02 CET | Update | - |
| article xml uploaded. | 2 November 2017 09:02 CET | Original file | - |
| article pdf uploaded. | 2 November 2017 09:02 CET | Version of Record | https://www.mdpi.com/1424-8220/17/11/2521/pdf |
