| article html file updated | 6 February 2020 06:44 CET | Update | https://www.mdpi.com/2072-6694/6/1/143 |
| article html file updated | 20 September 2019 05:13 CEST | Update | - |
| article html file updated | 7 May 2019 19:47 CEST | Update | - |
| article html file updated | 21 March 2019 11:02 CET | Update | - |
| article html file updated | 19 August 2015 17:24 CEST | Update | - |
| article html file updated | 28 April 2014 10:39 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:39 CEST | Original file | https://www.mdpi.com/2072-6694/6/1/143/xml |
| article pdf uploaded. | 15 January 2014 09:43 CET | Updated version of record | https://www.mdpi.com/2072-6694/6/1/143/pdf |
| article pdf uploaded. | 15 January 2014 09:42 CET | Updated version of record | - |
| article pdf uploaded. | 15 January 2014 09:42 CET | Version of Record | - |
