| article html file updated | 8 February 2020 07:19 CET | Update | https://www.mdpi.com/1424-8220/17/6/1264 |
| article html file updated | 25 September 2019 03:26 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:15 CEST | Update | N/A |
| article html file updated | 30 June 2017 11:36 CEST | Update | N/A |
| article html file updated | 8 June 2017 13:36 CEST | Original file | N/A |
| article xml uploaded. | 8 June 2017 13:35 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1264/xml |
| article pdf uploaded. | 8 June 2017 13:35 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1264/pdf |
| article pdf uploaded. | 2 June 2017 15:35 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1264/pdf-vor |
