| article html file updated | 8 February 2020 02:23 CET | Update | https://www.mdpi.com/2075-4701/7/4/116 |
| article html file updated | 24 September 2019 01:00 CEST | Update | - |
| article html file updated | 4 May 2019 04:45 CEST | Update | - |
| article html file updated | 28 April 2017 06:51 CEST | Update | - |
| article html file updated | 28 March 2017 15:36 CEST | Original file | - |
| article xml uploaded. | 28 March 2017 15:34 CEST | Update | https://www.mdpi.com/2075-4701/7/4/116/xml |
| article pdf uploaded. | 28 March 2017 15:34 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/116/pdf |
