| article html file updated | 7 February 2020 21:41 CET | Update | https://www.mdpi.com/2073-4433/8/1/17 |
| article html file updated | 22 September 2019 22:36 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:43 CEST | Update | N/A |
| article html file updated | 7 February 2017 03:34 CET | Update | N/A |
| article html file updated | 18 January 2017 09:26 CET | Original file | N/A |
| article xml uploaded. | 18 January 2017 09:25 CET | Original file | https://www.mdpi.com/2073-4433/8/1/17/xml |
| article pdf uploaded. | 18 January 2017 09:25 CET | Version of Record | https://www.mdpi.com/2073-4433/8/1/17/pdf |
