| article html file updated | 6 February 2020 15:37 CET | Update | https://www.mdpi.com/2076-328X/5/1/43 |
| article html file updated | 7 May 2019 01:37 CEST | Update | - |
| article html file updated | 25 March 2019 21:13 CET | Update | - |
| article html file updated | 21 August 2015 06:49 CEST | Update | - |
| article html file updated | 3 April 2015 12:06 CEST | Original file | - |
| article xml file uploaded | 3 April 2015 12:06 CEST | Original file | https://www.mdpi.com/2076-328X/5/1/43/xml |
| article pdf uploaded. | 30 January 2015 13:16 CET | Updated version of record | https://www.mdpi.com/2076-328X/5/1/43/pdf |
| article pdf uploaded. | 30 January 2015 13:15 CET | Version of Record | - |
