| article html file updated | 6 February 2020 17:19 CET | Update | https://www.mdpi.com/2073-4441/7/4/1497 |
| article html file updated | 6 May 2019 22:33 CEST | Update | N/A |
| article html file updated | 26 March 2019 00:06 CET | Update | N/A |
| article html file updated | 21 August 2015 09:59 CEST | Update | N/A |
| article html file updated | 29 April 2015 08:34 CEST | Original file | N/A |
| article xml file uploaded | 29 April 2015 08:34 CEST | Original file | https://www.mdpi.com/2073-4441/7/4/1497/xml |
| article pdf uploaded. | 3 April 2015 12:38 CEST | Version of Record | https://www.mdpi.com/2073-4441/7/4/1497/pdf |
