| article html file updated | 7 February 2020 23:58 CET | Update | https://www.mdpi.com/2075-4701/7/2/65 |
| article html file updated | 23 September 2019 11:10 CEST | Update | - |
| article html file updated | 4 May 2019 10:05 CEST | Update | - |
| article html file updated | 1 March 2017 03:58 CET | Update | - |
| article html file updated | 22 February 2017 10:19 CET | Update | - |
| article html file updated | 22 February 2017 10:18 CET | Update | - |
| article html file updated | 22 February 2017 10:18 CET | Original file | - |
| article xml uploaded. | 22 February 2017 10:16 CET | Update | https://www.mdpi.com/2075-4701/7/2/65/xml |
| article xml uploaded. | 22 February 2017 10:16 CET | Original file | - |
| article pdf uploaded. | 22 February 2017 10:16 CET | Version of Record | https://www.mdpi.com/2075-4701/7/2/65/pdf |
