| article html file updated | 7 February 2020 17:46 CET | Update | https://www.mdpi.com/2072-6651/8/11/321 |
| article html file updated | 4 May 2019 22:58 CEST | Update | - |
| article html file updated | 30 November 2016 05:06 CET | Update | - |
| article html file updated | 10 November 2016 04:49 CET | Original file | - |
| article xml uploaded. | 10 November 2016 04:47 CET | Update | https://www.mdpi.com/2072-6651/8/11/321/xml |
| article xml uploaded. | 10 November 2016 04:47 CET | Original file | - |
| article pdf uploaded. | 10 November 2016 04:47 CET | Version of Record | https://www.mdpi.com/2072-6651/8/11/321/pdf |
