| article html file updated | 6 February 2020 00:53 CET | Update | https://www.mdpi.com/2076-328X/3/1/170 |
| article html file updated | 19 September 2019 18:37 CEST | Update | - |
| article html file updated | 8 May 2019 07:36 CEST | Update | - |
| article html file updated | 20 March 2019 19:29 CET | Update | - |
| article html file updated | 17 June 2015 07:18 CEST | Update | - |
| article html file updated | 26 August 2014 03:57 CEST | Update | - |
| article xml file uploaded | 26 August 2014 03:57 CEST | Update | https://www.mdpi.com/2076-328X/3/1/170/xml |
| article html file updated | 25 March 2013 10:41 CET | Original file | - |
| article pdf uploaded. | 7 March 2013 13:28 CET | Version of Record | https://www.mdpi.com/2076-328X/3/1/170/pdf |
