| article html file updated | 30 August 2025 01:10 CEST | Update | https://www.mdpi.com/2226-4310/4/3/47 |
| article html file updated | 16 July 2022 06:16 CEST | Update | - |
| article html file updated | 8 February 2020 15:54 CET | Update | - |
| article html file updated | 27 September 2019 01:54 CEST | Update | - |
| article html file updated | 3 May 2019 02:30 CEST | Update | - |
| article html file updated | 30 September 2017 11:43 CEST | Update | - |
| article html file updated | 11 September 2017 15:29 CEST | Original file | - |
| article xml uploaded. | 11 September 2017 15:27 CEST | Original file | https://www.mdpi.com/2226-4310/4/3/47/xml |
| article pdf uploaded. | 11 September 2017 15:27 CEST | Version of Record | https://www.mdpi.com/2226-4310/4/3/47/pdf |
