| article html file updated | 6 February 2020 14:56 CET | Update | https://www.mdpi.com/1660-4601/12/1/428 |
| article html file updated | 7 May 2019 02:58 CEST | Update | - |
| article html file updated | 25 March 2019 20:04 CET | Update | - |
| article html file updated | 21 August 2015 05:17 CEST | Update | - |
| article html file updated | 27 January 2015 07:01 CET | Original file | - |
| article xml file uploaded | 27 January 2015 07:01 CET | Original file | https://www.mdpi.com/1660-4601/12/1/428/xml |
| article pdf uploaded. | 6 January 2015 10:59 CET | Version of Record | https://www.mdpi.com/1660-4601/12/1/428/pdf |
