| article html file updated | 29 August 2025 21:31 CEST | Update | https://www.mdpi.com/2076-0817/4/1/46 |
| article html file updated | 15 July 2022 23:52 CEST | Update | - |
| article html file updated | 6 February 2020 15:56 CET | Update | - |
| article html file updated | 7 May 2019 01:01 CEST | Update | - |
| article html file updated | 25 March 2019 21:45 CET | Update | - |
| article html file updated | 8 September 2015 06:05 CEST | Update | - |
| article xml file uploaded | 8 September 2015 06:05 CEST | Update | https://www.mdpi.com/2076-0817/4/1/46/xml |
| article html file updated | 21 August 2015 07:38 CEST | Update | - |
| article html file updated | 3 April 2015 12:51 CEST | Original file | - |
| article xml file uploaded | 3 April 2015 12:51 CEST | Original file | - |
| article pdf uploaded. | 12 February 2015 15:09 CET | Version of Record | https://www.mdpi.com/2076-0817/4/1/46/pdf |
