| article html file updated | 7 February 2020 06:49 CET | Update | https://www.mdpi.com/2076-3905/5/2/7 |
| article html file updated | 5 May 2019 19:35 CEST | Update | - |
| article html file updated | 27 March 2019 01:02 CET | Update | - |
| article html file updated | 11 July 2016 10:02 CEST | Update | - |
| article html file updated | 7 April 2016 03:46 CEST | Update | - |
| article xml uploaded. | 7 April 2016 03:45 CEST | Update | https://www.mdpi.com/2076-3905/5/2/7/xml |
| article pdf uploaded. | 7 April 2016 03:45 CEST | Updated version of record | https://www.mdpi.com/2076-3905/5/2/7/pdf |
| article html file updated | 5 April 2016 10:37 CEST | Original file | - |
| article pdf uploaded. | 5 April 2016 10:35 CEST | Version of Record | https://www.mdpi.com/2076-3905/5/2/7/pdf-vor |
