| article html file updated | 7 February 2020 22:46 CET | Update | https://www.mdpi.com/1424-8220/17/2/300 |
| article html file updated | 23 September 2019 04:29 CEST | Update | - |
| article html file updated | 4 May 2019 12:31 CEST | Update | - |
| article html file updated | 2 March 2017 11:22 CET | Update | - |
| article html file updated | 7 February 2017 07:12 CET | Original file | - |
| article xml uploaded. | 7 February 2017 07:11 CET | Original file | https://www.mdpi.com/1424-8220/17/2/300/xml |
| article pdf uploaded. | 7 February 2017 07:11 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/300/pdf |
