| article html file updated | 29 August 2025 23:56 CEST | Update | https://www.mdpi.com/2079-9276/5/4/40 |
| article html file updated | 16 July 2022 03:55 CEST | Update | - |
| article html file updated | 7 February 2020 18:23 CET | Update | - |
| article html file updated | 22 September 2019 06:22 CEST | Update | - |
| article html file updated | 4 May 2019 21:48 CEST | Update | - |
| article html file updated | 30 December 2016 09:14 CET | Update | - |
| article html file updated | 22 November 2016 10:46 CET | Original file | - |
| article xml uploaded. | 22 November 2016 10:45 CET | Update | https://www.mdpi.com/2079-9276/5/4/40/xml |
| article xml uploaded. | 22 November 2016 10:45 CET | Original file | - |
| article pdf uploaded. | 22 November 2016 10:45 CET | Version of Record | https://www.mdpi.com/2079-9276/5/4/40/pdf |
