| article html file updated | 6 February 2020 15:46 CET | Update | https://www.mdpi.com/1999-4915/7/2/543 |
| article html file updated | 7 May 2019 01:20 CEST | Update | - |
| article html file updated | 25 March 2019 21:28 CET | Update | - |
| article html file updated | 21 August 2015 07:12 CEST | Update | - |
| article html file updated | 10 March 2015 03:30 CET | Original file | - |
| article xml file uploaded | 10 March 2015 03:30 CET | Original file | https://www.mdpi.com/1999-4915/7/2/543/xml |
| article supplementary file uploaded. | 5 February 2015 15:29 CET | - | https://www.mdpi.com/1999-4915/7/2/543#supplementary |
| article pdf uploaded. | 5 February 2015 15:29 CET | Version of Record | https://www.mdpi.com/1999-4915/7/2/543/pdf |