| article html file updated | 29 August 2025 22:34 CEST | Update | https://www.mdpi.com/2075-4701/6/1/15 |
| article html file updated | 16 July 2022 01:34 CEST | Update | - |
| article html file updated | 7 February 2020 03:11 CET | Update | - |
| article html file updated | 6 May 2019 03:02 CEST | Update | - |
| article html file updated | 26 March 2019 17:58 CET | Original file | - |
| article pdf uploaded. | 8 January 2016 15:44 CET | Version of Record | https://www.mdpi.com/2075-4701/6/1/15/pdf |
| article xml uploaded. | 8 January 2016 15:44 CET | Original file | https://www.mdpi.com/2075-4701/6/1/15/xml |
