| article html file updated | 30 August 2025 10:20 CEST | Update | https://www.mdpi.com/2076-3417/9/1/70 |
| article html file updated | 17 July 2022 18:47 CEST | Update | N/A |
| article html file updated | 11 February 2020 05:17 CET | Update | N/A |
| article html file updated | 12 October 2019 12:00 CEST | Update | N/A |
| article html file updated | 27 April 2019 14:36 CEST | Update | N/A |
| article html file updated | 13 April 2019 10:33 CEST | Update | N/A |
| article html file updated | 2 April 2019 18:43 CEST | Update | N/A |
| article html file updated | 16 January 2019 05:24 CET | Update | N/A |
| article html file updated | 25 December 2018 14:05 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2018 14:04 CET | Version of Record | https://www.mdpi.com/2076-3417/9/1/70/pdf |
| article xml uploaded. | 25 December 2018 14:04 CET | Update | https://www.mdpi.com/2076-3417/9/1/70/xml |
| article xml file uploaded | 25 December 2018 14:04 CET | Original file | N/A |
