| article html file updated | 8 February 2020 07:54 CET | Update | https://www.mdpi.com/1424-8220/17/6/1337 |
| article html file updated | 25 September 2019 06:24 CEST | Update | - |
| article html file updated | 3 May 2019 18:11 CEST | Update | - |
| article html file updated | 30 June 2017 22:41 CEST | Update | - |
| article html file updated | 13 June 2017 05:29 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 05:28 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1337/xml |
| article pdf uploaded. | 13 June 2017 05:20 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1337/pdf |
