| article html file updated | 8 February 2020 03:00 CET | Update | https://www.mdpi.com/2076-3425/7/4/37 |
| article html file updated | 24 September 2019 04:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:22 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:32 CEST | Update | N/A |
| article html file updated | 6 April 2017 10:37 CEST | Original file | N/A |
| article xml uploaded. | 6 April 2017 10:36 CEST | Original file | https://www.mdpi.com/2076-3425/7/4/37/xml |
| article pdf uploaded. | 6 April 2017 10:36 CEST | Version of Record | https://www.mdpi.com/2076-3425/7/4/37/pdf |
