| article html file updated | 8 February 2020 20:47 CET | Update | https://www.mdpi.com/2073-4360/9/11/591 |
| article html file updated | 28 September 2019 08:51 CEST | Update | - |
| article html file updated | 2 May 2019 15:54 CEST | Update | - |
| article html file updated | 30 November 2017 11:51 CET | Update | - |
| article html file updated | 9 November 2017 15:51 CET | Original file | - |
| article xml uploaded. | 9 November 2017 15:50 CET | Update | https://www.mdpi.com/2073-4360/9/11/591/xml |
| article xml uploaded. | 9 November 2017 15:50 CET | Original file | - |
| article pdf uploaded. | 9 November 2017 15:50 CET | Version of Record | https://www.mdpi.com/2073-4360/9/11/591/pdf |
