| article html file updated | 7 February 2020 23:03 CET | Update | https://www.mdpi.com/1424-8220/17/2/338 |
| article html file updated | 23 September 2019 06:05 CEST | Update | - |
| article html file updated | 4 May 2019 11:56 CEST | Update | - |
| article html file updated | 2 March 2017 11:30 CET | Update | - |
| article html file updated | 10 February 2017 09:04 CET | Original file | - |
| article xml uploaded. | 10 February 2017 09:02 CET | Original file | https://www.mdpi.com/1424-8220/17/2/338/xml |
| article pdf uploaded. | 10 February 2017 09:02 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/338/pdf |
