| article html file updated | 6 February 2020 02:57 CET | Update | https://www.mdpi.com/2076-0825/2/3/59 |
| article html file updated | 8 May 2019 03:22 CEST | Update | - |
| article html file updated | 21 March 2019 00:37 CET | Update | - |
| article html file updated | 19 December 2016 11:26 CET | Update | - |
| article html file updated | 9 November 2016 08:29 CET | Original file | - |
| article xml uploaded. | 9 November 2016 08:28 CET | Update | https://www.mdpi.com/2076-0825/2/3/59/xml |
| article xml uploaded. | 9 November 2016 08:28 CET | Original file | - |
| article pdf uploaded. | 3 July 2013 09:36 CEST | Version of Record | https://www.mdpi.com/2076-0825/2/3/59/pdf |
