| article html file updated | 8 February 2020 04:17 CET | Update | https://www.mdpi.com/2073-4425/8/4/127 |
| article html file updated | 24 September 2019 11:45 CEST | Update | - |
| article html file updated | 4 May 2019 00:55 CEST | Update | - |
| article html file updated | 28 April 2017 06:47 CEST | Update | - |
| article html file updated | 24 April 2017 14:02 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 14:01 CEST | Original file | https://www.mdpi.com/2073-4425/8/4/127/xml |
| article pdf uploaded. | 24 April 2017 14:01 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/4/127/pdf |
