| article html file updated | 8 February 2020 07:20 CET | Update | https://www.mdpi.com/1424-8220/17/6/1276 |
| article html file updated | 25 September 2019 03:32 CEST | Update | - |
| article html file updated | 3 May 2019 19:13 CEST | Update | - |
| article html file updated | 30 June 2017 11:37 CEST | Update | - |
| article html file updated | 5 June 2017 05:37 CEST | Original file | - |
| article xml uploaded. | 5 June 2017 05:36 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1276/xml |
| article pdf uploaded. | 5 June 2017 05:36 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1276/pdf |
| article pdf uploaded. | 2 June 2017 13:27 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1276/pdf-vor |
