| article html file updated | 7 February 2020 07:37 CET | Update | https://www.mdpi.com/2072-6651/8/4/120 |
| article html file updated | 21 September 2019 15:41 CEST | Update | - |
| article html file updated | 5 May 2019 17:56 CEST | Update | - |
| article html file updated | 27 March 2019 02:36 CET | Update | - |
| article html file updated | 28 April 2016 10:42 CEST | Update | - |
| article html file updated | 21 April 2016 15:37 CEST | Original file | - |
| article xml uploaded. | 21 April 2016 15:35 CEST | Original file | https://www.mdpi.com/2072-6651/8/4/120/xml |
| article pdf uploaded. | 21 April 2016 15:35 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/4/120/pdf |
