| article html file updated | 7 February 2020 14:12 CET | Update | https://www.mdpi.com/2072-6651/8/9/256 |
| article html file updated | 5 May 2019 05:31 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:31 CET | Update | N/A |
| article html file updated | 27 September 2016 11:34 CEST | Update | N/A |
| article html file updated | 31 August 2016 12:02 CEST | Original file | N/A |
| article xml uploaded. | 31 August 2016 12:01 CEST | Original file | https://www.mdpi.com/2072-6651/8/9/256/xml |
| article pdf uploaded. | 31 August 2016 12:01 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/9/256/pdf |
