| article html file updated | 8 February 2020 00:02 CET | Update | https://www.mdpi.com/1424-8220/17/3/423 |
| article html file updated | 23 September 2019 11:37 CEST | Update | - |
| article html file updated | 4 May 2019 09:56 CEST | Update | - |
| article html file updated | 31 March 2017 10:30 CEST | Update | - |
| article html file updated | 3 March 2017 05:12 CET | Update | - |
| article html file updated | 23 February 2017 07:12 CET | Original file | - |
| article xml uploaded. | 23 February 2017 07:11 CET | Update | https://www.mdpi.com/1424-8220/17/3/423/xml |
| article xml uploaded. | 23 February 2017 07:11 CET | Update | - |
| article xml uploaded. | 23 February 2017 07:11 CET | Original file | - |
| article pdf uploaded. | 23 February 2017 06:50 CET | Version of Record | https://www.mdpi.com/1424-8220/17/3/423/pdf |
