| article html file updated | 8 February 2020 23:15 CET | Update | https://www.mdpi.com/1424-8220/17/12/2818 |
| article html file updated | 2 May 2019 10:24 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:02 CEST | Update | N/A |
| article html file updated | 2 January 2018 10:31 CET | Update | N/A |
| article html file updated | 6 December 2017 10:54 CET | Original file | N/A |
| article xml uploaded. | 6 December 2017 10:53 CET | Original file | https://www.mdpi.com/1424-8220/17/12/2818/xml |
| article pdf uploaded. | 6 December 2017 10:53 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/12/2818/pdf |
| article pdf uploaded. | 5 December 2017 16:54 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2818/pdf-vor |
