| article html file updated | 8 February 2020 21:26 CET | Update | https://www.mdpi.com/2075-4698/7/4/32 |
| article html file updated | 2 May 2019 14:26 CEST | Update | - |
| article html file updated | 18 April 2019 12:06 CEST | Update | - |
| article html file updated | 2 January 2018 14:11 CET | Update | - |
| article html file updated | 17 November 2017 10:00 CET | Original file | - |
| article xml uploaded. | 17 November 2017 09:59 CET | Original file | https://www.mdpi.com/2075-4698/7/4/32/xml |
| article pdf uploaded. | 17 November 2017 09:59 CET | Version of Record | https://www.mdpi.com/2075-4698/7/4/32/pdf |
