| article html file updated | 29 August 2025 22:32 CEST | Update | https://www.mdpi.com/2073-4344/6/1/5 |
| article html file updated | 16 July 2022 01:32 CEST | Update | - |
| article html file updated | 7 February 2020 02:53 CET | Update | - |
| article html file updated | 6 May 2019 03:35 CEST | Update | - |
| article html file updated | 26 March 2019 17:31 CET | Original file | - |
| article pdf uploaded. | 4 January 2016 08:30 CET | Updated version of record | https://www.mdpi.com/2073-4344/6/1/5/pdf |
| article pdf uploaded. | 30 December 2015 15:04 CET | Version of Record | https://www.mdpi.com/2073-4344/6/1/5/pdf-vor |
| article xml uploaded. | 30 December 2015 15:04 CET | Original file | https://www.mdpi.com/2073-4344/6/1/5/xml |
