| article html file updated | 30 August 2025 01:33 CEST | Update | https://www.mdpi.com/2076-3921/6/4/82 |
| article html file updated | 16 July 2022 07:06 CEST | Update | N/A |
| article html file updated | 8 February 2020 19:50 CET | Update | N/A |
| article html file updated | 2 May 2019 18:06 CEST | Update | N/A |
| article html file updated | 2 January 2018 20:28 CET | Update | N/A |
| article html file updated | 2 November 2017 07:11 CET | Update | N/A |
| article xml uploaded. | 2 November 2017 07:10 CET | Update | https://www.mdpi.com/2076-3921/6/4/82/xml |
| article pdf uploaded. | 2 November 2017 07:10 CET | Updated version of record | https://www.mdpi.com/2076-3921/6/4/82/pdf |
| article html file updated | 30 October 2017 13:58 CET | Original file | N/A |
| article xml uploaded. | 30 October 2017 13:57 CET | Original file | N/A |
| article pdf uploaded. | 30 October 2017 13:57 CET | Version of Record | https://www.mdpi.com/2076-3921/6/4/82/pdf-vor |