| article html file updated | 8 February 2020 19:49 CET | Update | https://www.mdpi.com/2304-6740/5/4/73 |
| article html file updated | 28 September 2019 02:36 CEST | Update | - |
| article html file updated | 2 May 2019 18:07 CEST | Update | - |
| article html file updated | 2 January 2018 13:53 CET | Update | - |
| article html file updated | 2 November 2017 03:48 CET | Update | - |
| article xml uploaded. | 2 November 2017 03:47 CET | Update | https://www.mdpi.com/2304-6740/5/4/73/xml |
| article xml uploaded. | 2 November 2017 03:47 CET | Update | - |
| article pdf uploaded. | 2 November 2017 03:47 CET | Updated version of record | https://www.mdpi.com/2304-6740/5/4/73/pdf |
| article html file updated | 30 October 2017 12:30 CET | Original file | - |
| article xml uploaded. | 30 October 2017 12:29 CET | Update | - |
| article xml uploaded. | 30 October 2017 12:29 CET | Original file | - |
| article pdf uploaded. | 30 October 2017 12:29 CET | Version of Record | https://www.mdpi.com/2304-6740/5/4/73/pdf-vor |
