| article html file updated | 6 February 2020 13:22 CET | Update | https://www.mdpi.com/2306-7381/1/3/159 |
| article html file updated | 7 May 2019 06:04 CEST | Update | - |
| article html file updated | 25 March 2019 17:03 CET | Update | - |
| article html file updated | 21 August 2015 01:11 CEST | Update | - |
| article html file updated | 16 December 2014 04:58 CET | Original file | - |
| article xml file uploaded | 16 December 2014 04:58 CET | Original file | https://www.mdpi.com/2306-7381/1/3/159/xml |
| article pdf uploaded. | 5 November 2014 09:53 CET | Updated version of record | https://www.mdpi.com/2306-7381/1/3/159/pdf |
| article pdf uploaded. | 4 November 2014 14:33 CET | Version of Record | https://www.mdpi.com/2306-7381/1/3/159/pdf-vor |
