| article html file updated | 8 February 2020 09:30 CET | Update | https://www.mdpi.com/2073-4441/9/7/472 |
| article html file updated | 25 September 2019 14:56 CEST | Update | - |
| article html file updated | 3 May 2019 15:09 CEST | Update | - |
| article html file updated | 1 August 2017 09:25 CEST | Update | - |
| article html file updated | 28 June 2017 15:05 CEST | Original file | - |
| article xml uploaded. | 28 June 2017 14:05 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/472/xml |
| article pdf uploaded. | 28 June 2017 14:05 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/472/pdf |
