| article html file updated | 8 February 2020 06:47 CET | Update | https://www.mdpi.com/1424-8220/17/6/1219 |
| article html file updated | 25 September 2019 00:45 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:16 CEST | Update | N/A |
| article html file updated | 30 June 2017 11:31 CEST | Update | N/A |
| article html file updated | 6 June 2017 15:05 CEST | Update | N/A |
| article xml uploaded. | 6 June 2017 15:03 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1219/xml |
| article pdf uploaded. | 6 June 2017 15:03 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1219/pdf |
| article html file updated | 26 May 2017 11:49 CEST | Original file | N/A |
| article pdf uploaded. | 26 May 2017 11:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1219/pdf-vor |
