| article html file updated | 8 February 2020 22:08 CET | Update | https://www.mdpi.com/1424-8220/17/12/2721 |
| article html file updated | 28 September 2019 17:36 CEST | Update | N/A |
| article html file updated | 2 May 2019 12:54 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:32 CEST | Update | N/A |
| article html file updated | 2 January 2018 10:01 CET | Update | N/A |
| article html file updated | 25 November 2017 11:02 CET | Original file | N/A |
| article xml uploaded. | 25 November 2017 11:01 CET | Update | https://www.mdpi.com/1424-8220/17/12/2721/xml |
| article xml uploaded. | 25 November 2017 11:01 CET | Original file | N/A |
| article pdf uploaded. | 25 November 2017 11:01 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/12/2721/pdf |
| article pdf uploaded. | 24 November 2017 14:31 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2721/pdf-vor |
