| article html file updated | 24 September 2021 13:45 CEST | Update | https://www.mdpi.com/2075-471X/4/4/709 |
| article xml uploaded. | 24 September 2021 13:44 CEST | Update | https://www.mdpi.com/2075-471X/4/4/709/xml |
| article pdf uploaded. | 24 September 2021 13:44 CEST | Updated version of record | https://www.mdpi.com/2075-471X/4/4/709/pdf |
| article html file updated | 7 February 2020 00:54 CET | Update | N/A |
| article html file updated | 9 January 2020 14:32 CET | Original file | N/A |
| article pdf uploaded. | 12 November 2015 16:01 CET | Version of Record | https://www.mdpi.com/2075-471X/4/4/709/pdf-vor |
| article xml uploaded. | 12 November 2015 16:01 CET | Original file | N/A |
