| article html file updated | 8 February 2020 13:52 CET | Update | https://www.mdpi.com/1424-8220/17/8/1904 |
| article html file updated | 26 September 2019 14:56 CEST | Update | - |
| article html file updated | 3 May 2019 06:19 CEST | Update | - |
| article html file updated | 27 March 2019 21:29 CET | Update | - |
| article html file updated | 1 September 2017 11:08 CEST | Update | - |
| article html file updated | 18 August 2017 12:09 CEST | Original file | - |
| article xml uploaded. | 18 August 2017 12:08 CEST | Update | https://www.mdpi.com/1424-8220/17/8/1904/xml |
| article xml uploaded. | 18 August 2017 12:08 CEST | Original file | - |
| article pdf uploaded. | 18 August 2017 12:08 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/8/1904/pdf |
