| article html file updated | 7 February 2020 21:16 CET | Update | https://www.mdpi.com/2073-4441/9/1/43 |
| article html file updated | 22 September 2019 20:16 CEST | Update | - |
| article html file updated | 4 May 2019 15:46 CEST | Update | - |
| article html file updated | 7 February 2017 04:32 CET | Update | - |
| article html file updated | 11 January 2017 15:48 CET | Original file | - |
| article xml uploaded. | 11 January 2017 15:47 CET | Update | https://www.mdpi.com/2073-4441/9/1/43/xml |
| article xml uploaded. | 11 January 2017 15:47 CET | Original file | - |
| article pdf uploaded. | 11 January 2017 15:47 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/43/pdf |
