| article html file updated | 7 February 2020 18:03 CET | Update | https://www.mdpi.com/2075-4701/6/11/281 |
| article html file updated | 4 May 2019 22:26 CEST | Update | N/A |
| article html file updated | 30 November 2016 05:40 CET | Update | N/A |
| article html file updated | 16 November 2016 09:13 CET | Original file | N/A |
| article xml uploaded. | 16 November 2016 09:12 CET | Update | https://www.mdpi.com/2075-4701/6/11/281/xml |
| article xml uploaded. | 16 November 2016 09:12 CET | Original file | N/A |
| article pdf uploaded. | 16 November 2016 09:12 CET | Version of Record | https://www.mdpi.com/2075-4701/6/11/281/pdf |
