| article html file updated | 30 August 2025 01:47 CEST | Update | https://www.mdpi.com/2218-1989/7/4/63 |
| article html file updated | 16 July 2022 07:35 CEST | Update | - |
| article html file updated | 8 February 2020 22:08 CET | Update | - |
| article html file updated | 28 September 2019 17:35 CEST | Update | - |
| article html file updated | 2 May 2019 12:54 CEST | Update | - |
| article html file updated | 18 April 2019 10:32 CEST | Update | - |
| article html file updated | 2 January 2018 20:25 CET | Update | - |
| article html file updated | 24 November 2017 12:55 CET | Original file | - |
| article xml uploaded. | 24 November 2017 12:53 CET | Update | https://www.mdpi.com/2218-1989/7/4/63/xml |
| article xml uploaded. | 24 November 2017 12:53 CET | Original file | - |
| article pdf uploaded. | 24 November 2017 12:53 CET | Version of Record | https://www.mdpi.com/2218-1989/7/4/63/pdf |
