| article html file updated | 29 August 2025 22:09 CEST | Update | https://www.mdpi.com/2073-4409/4/3/538 |
| article html file updated | 16 July 2022 00:57 CEST | Update | - |
| article html file updated | 6 February 2020 23:03 CET | Update | - |
| article html file updated | 6 May 2019 10:49 CEST | Update | - |
| article html file updated | 26 March 2019 11:13 CET | Update | - |
| article html file updated | 27 October 2017 09:15 CEST | Update | - |
| article html file updated | 30 September 2015 12:00 CEST | Original file | - |
| article xml file uploaded | 30 September 2015 12:00 CEST | Original file | https://www.mdpi.com/2073-4409/4/3/538/xml |
| article pdf uploaded. | 21 September 2015 14:19 CEST | Version of Record | https://www.mdpi.com/2073-4409/4/3/538/pdf |
