| article html file updated | 7 February 2020 04:38 CET | Update | https://www.mdpi.com/2072-6643/8/2/98 |
| article html file updated | 21 September 2019 11:25 CEST | Update | - |
| article html file updated | 6 May 2019 00:10 CEST | Update | - |
| article html file updated | 26 March 2019 20:53 CET | Original file | - |
| article pdf uploaded. | 23 February 2016 08:25 CET | Updated version of record | https://www.mdpi.com/2072-6643/8/2/98/pdf |
| article pdf uploaded. | 17 February 2016 09:03 CET | Version of Record | https://www.mdpi.com/2072-6643/8/2/98/pdf-vor |
| article xml uploaded. | 17 February 2016 09:03 CET | Original file | https://www.mdpi.com/2072-6643/8/2/98/xml |
