| article html file updated | 7 February 2020 21:55 CET | Update | https://www.mdpi.com/2073-4441/9/1/65 |
| article html file updated | 22 September 2019 23:51 CEST | Update | - |
| article html file updated | 4 May 2019 14:13 CEST | Update | - |
| article html file updated | 7 February 2017 04:35 CET | Update | - |
| article html file updated | 21 January 2017 05:32 CET | Original file | - |
| article xml uploaded. | 21 January 2017 05:31 CET | Update | https://www.mdpi.com/2073-4441/9/1/65/xml |
| article xml uploaded. | 21 January 2017 05:31 CET | Original file | - |
| article pdf uploaded. | 21 January 2017 05:31 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/65/pdf |
