| article html file updated | 8 February 2020 03:52 CET | Update | https://www.mdpi.com/2075-4701/7/4/142 |
| article html file updated | 24 September 2019 09:29 CEST | Update | - |
| article html file updated | 4 May 2019 01:40 CEST | Update | - |
| article html file updated | 28 April 2017 07:00 CEST | Update | - |
| article html file updated | 19 April 2017 11:17 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 11:16 CEST | Original file | https://www.mdpi.com/2075-4701/7/4/142/xml |
| article pdf uploaded. | 19 April 2017 11:16 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/142/pdf |
