| article html file updated | 7 February 2020 14:12 CET | Update | https://www.mdpi.com/2072-6651/8/9/254 |
| article html file updated | 5 May 2019 05:33 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:29 CET | Update | N/A |
| article html file updated | 27 September 2016 11:33 CEST | Update | N/A |
| article html file updated | 31 August 2016 11:18 CEST | Original file | N/A |
| article xml uploaded. | 31 August 2016 11:17 CEST | Original file | https://www.mdpi.com/2072-6651/8/9/254/xml |
| article pdf uploaded. | 31 August 2016 11:17 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/9/254/pdf |
