| article html file updated | 8 February 2020 23:10 CET | Update | https://www.mdpi.com/1424-8220/17/12/2821 |
| article html file updated | 2 May 2019 10:34 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:11 CEST | Update | N/A |
| article html file updated | 2 January 2018 10:32 CET | Update | N/A |
| article html file updated | 5 December 2017 13:58 CET | Original file | N/A |
| article xml uploaded. | 5 December 2017 13:57 CET | Original file | https://www.mdpi.com/1424-8220/17/12/2821/xml |
| article pdf uploaded. | 5 December 2017 13:57 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2821/pdf |
