| article html file updated | 8 February 2020 03:48 CET | Update | https://www.mdpi.com/2076-3425/7/4/43 |
| article html file updated | 24 September 2019 09:02 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:48 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:32 CEST | Update | N/A |
| article html file updated | 18 April 2017 11:48 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2017 11:47 CEST | Original file | https://www.mdpi.com/2076-3425/7/4/43/xml |
| article pdf uploaded. | 18 April 2017 11:47 CEST | Version of Record | https://www.mdpi.com/2076-3425/7/4/43/pdf |
