| article html file updated | 30 August 2025 01:40 CEST | Update | https://www.mdpi.com/2079-9276/6/4/65 |
| article html file updated | 16 July 2022 07:20 CEST | Update | - |
| article html file updated | 8 February 2020 20:58 CET | Update | - |
| article html file updated | 2 May 2019 15:29 CEST | Update | - |
| article html file updated | 2 January 2018 10:28 CET | Update | - |
| article html file updated | 12 November 2017 09:52 CET | Original file | - |
| article xml uploaded. | 12 November 2017 09:51 CET | Original file | https://www.mdpi.com/2079-9276/6/4/65/xml |
| article pdf uploaded. | 12 November 2017 09:51 CET | Version of Record | https://www.mdpi.com/2079-9276/6/4/65/pdf |
