| article html file updated | 30 August 2025 01:49 CEST | Update | https://www.mdpi.com/2221-3759/5/4/14 |
| article html file updated | 16 July 2022 07:40 CEST | Update | N/A |
| article html file updated | 8 February 2020 22:29 CET | Update | N/A |
| article html file updated | 2 May 2019 12:08 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:44 CEST | Update | N/A |
| article html file updated | 3 January 2018 09:07 CET | Update | N/A |
| article html file updated | 28 November 2017 15:05 CET | Original file | N/A |
| article xml uploaded. | 28 November 2017 15:03 CET | Update | https://www.mdpi.com/2221-3759/5/4/14/xml |
| article xml uploaded. | 28 November 2017 15:03 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2017 15:03 CET | Version of Record | https://www.mdpi.com/2221-3759/5/4/14/pdf |
