| article html file updated | 8 February 2020 06:53 CET | Update | https://www.mdpi.com/1424-8220/17/6/1230 |
| article html file updated | 25 September 2019 01:18 CEST | Update | - |
| article html file updated | 3 May 2019 20:04 CEST | Update | - |
| article html file updated | 30 June 2017 22:28 CEST | Update | - |
| article html file updated | 2 June 2017 14:13 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 14:12 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1230/xml |
| article pdf uploaded. | 2 June 2017 14:12 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1230/pdf |
| article pdf uploaded. | 27 May 2017 11:53 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1230/pdf-vor |
