| article html file updated | 8 February 2020 02:58 CET | Update | https://www.mdpi.com/2075-4701/7/4/127 |
| article html file updated | 24 September 2019 04:23 CEST | Update | - |
| article html file updated | 4 May 2019 03:25 CEST | Update | - |
| article html file updated | 28 April 2017 06:55 CEST | Update | - |
| article html file updated | 5 April 2017 14:37 CEST | Original file | - |
| article xml uploaded. | 5 April 2017 14:35 CEST | Update | https://www.mdpi.com/2075-4701/7/4/127/xml |
| article pdf uploaded. | 5 April 2017 14:35 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/127/pdf |
