| article html file updated | 6 February 2020 06:45 CET | Update | https://www.mdpi.com/2073-4360/6/1/179 |
| article html file updated | 7 May 2019 19:46 CEST | Update | - |
| article html file updated | 21 March 2019 11:04 CET | Update | - |
| article html file updated | 19 August 2015 17:27 CEST | Update | - |
| article pdf uploaded. | 17 January 2014 08:58 CET | Updated version of record | https://www.mdpi.com/2073-4360/6/1/179/pdf |
| article html file updated | 16 January 2014 15:12 CET | Original file | - |
| article xml uploaded. | 16 January 2014 15:12 CET | Original file | https://www.mdpi.com/2073-4360/6/1/179/xml |
| article pdf uploaded. | 16 January 2014 15:12 CET | Updated version of record | https://www.mdpi.com/2073-4360/6/1/179/pdf-vor |
| article pdf uploaded. | 16 January 2014 07:47 CET | Updated version of record | https://www.mdpi.com/2073-4360/6/1/179/pdf-vor |
| article pdf uploaded. | 15 January 2014 12:44 CET | Version of Record | https://www.mdpi.com/2073-4360/6/1/179/pdf-vor |
