| article html file updated | 8 February 2020 19:29 CET | Update | https://www.mdpi.com/1424-8220/17/11/2451 |
| article html file updated | 28 September 2019 00:33 CEST | Update | - |
| article html file updated | 2 May 2019 18:54 CEST | Update | - |
| article html file updated | 30 November 2017 12:51 CET | Update | - |
| article html file updated | 26 October 2017 10:59 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 10:58 CEST | Update | https://www.mdpi.com/1424-8220/17/11/2451/xml |
| article xml uploaded. | 26 October 2017 10:58 CEST | Original file | - |
| article pdf uploaded. | 26 October 2017 10:58 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/11/2451/pdf |
| article pdf uploaded. | 25 October 2017 16:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/11/2451/pdf-vor |
