| article html file updated | 6 February 2020 15:04 CET | Update | https://www.mdpi.com/1660-4601/12/1/504 |
| article html file updated | 7 May 2019 02:43 CEST | Update | - |
| article html file updated | 25 March 2019 20:17 CET | Update | - |
| article html file updated | 21 August 2015 05:32 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/1660-4601/12/1/504/xml |
| article pdf uploaded. | 9 January 2015 10:57 CET | Version of Record | https://www.mdpi.com/1660-4601/12/1/504/pdf |
