| article html file updated | 7 February 2020 01:21 CET | Update | https://www.mdpi.com/1996-1073/8/12/12371 |
| article html file updated | 6 May 2019 06:42 CEST | Update | - |
| article html file updated | 26 March 2019 15:04 CET | Original file | - |
| article pdf uploaded. | 3 December 2015 16:17 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/12/12371/pdf |
| article xml uploaded. | 3 December 2015 16:17 CET | Update | https://www.mdpi.com/1996-1073/8/12/12371/xml |
| article pdf uploaded. | 25 November 2015 12:05 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12371/pdf-vor |
| article xml uploaded. | 25 November 2015 12:05 CET | Original file | - |
