| article html file updated | 14 August 2026 18:06 CEST | Update | https://www.mdpi.com/2076-3298/4/4/73 |
| article html file updated | 8 February 2020 18:03 CET | Update | N/A |
| article html file updated | 2 May 2019 22:09 CEST | Update | N/A |
| article html file updated | 2 January 2018 15:30 CET | Update | N/A |
| article html file updated | 10 October 2017 15:56 CEST | Original file | N/A |
| article xml uploaded. | 10 October 2017 15:55 CEST | Original file | https://www.mdpi.com/2076-3298/4/4/73/xml |
| article pdf uploaded. | 10 October 2017 15:55 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/4/73/pdf |
