| article html file updated | 8 February 2020 19:23 CET | Update | https://www.mdpi.com/2076-328X/7/4/72 |
| article html file updated | 2 May 2019 19:08 CEST | Update | - |
| article html file updated | 2 January 2018 11:41 CET | Update | - |
| article html file updated | 25 October 2017 11:12 CEST | Original file | - |
| article xml uploaded. | 25 October 2017 11:11 CEST | Update | https://www.mdpi.com/2076-328X/7/4/72/xml |
| article xml uploaded. | 25 October 2017 11:11 CEST | Original file | - |
| article pdf uploaded. | 25 October 2017 11:11 CEST | Version of Record | https://www.mdpi.com/2076-328X/7/4/72/pdf |
