| article html file updated | 8 February 2020 20:17 CET | Update | https://www.mdpi.com/2073-445X/6/4/77 |
| article html file updated | 28 September 2019 05:26 CEST | Update | - |
| article html file updated | 2 May 2019 17:04 CEST | Update | - |
| article html file updated | 2 January 2018 14:18 CET | Update | - |
| article html file updated | 8 November 2017 03:25 CET | Update | - |
| article xml uploaded. | 8 November 2017 03:24 CET | Update | https://www.mdpi.com/2073-445X/6/4/77/xml |
| article xml uploaded. | 8 November 2017 03:24 CET | Update | - |
| article pdf uploaded. | 8 November 2017 03:24 CET | Updated version of record | https://www.mdpi.com/2073-445X/6/4/77/pdf |
| article html file updated | 3 November 2017 13:02 CET | Original file | - |
| article xml uploaded. | 3 November 2017 13:01 CET | Update | - |
| article xml uploaded. | 3 November 2017 13:01 CET | Original file | - |
| article pdf uploaded. | 3 November 2017 13:01 CET | Version of Record | https://www.mdpi.com/2073-445X/6/4/77/pdf-vor |
