| article html file updated | 7 February 2020 17:26 CET | Update | https://www.mdpi.com/2075-471X/5/4/41 |
| article html file updated | 4 May 2019 23:37 CEST | Update | - |
| article html file updated | 8 November 2016 04:27 CET | Update | - |
| article xml uploaded. | 8 November 2016 04:26 CET | Update | https://www.mdpi.com/2075-471X/5/4/41/xml |
| article pdf uploaded. | 8 November 2016 04:26 CET | Updated version of record | https://www.mdpi.com/2075-471X/5/4/41/pdf |
| article html file updated | 3 November 2016 09:10 CET | Original file | - |
| article xml uploaded. | 3 November 2016 09:09 CET | Original file | - |
| article pdf uploaded. | 3 November 2016 09:09 CET | Version of Record | https://www.mdpi.com/2075-471X/5/4/41/pdf-vor |
