| article html file updated | 30 August 2025 11:47 CEST | Update | https://www.mdpi.com/2076-3921/8/2/34 |
| article html file updated | 18 July 2022 04:24 CEST | Update | N/A |
| article html file updated | 11 February 2020 13:40 CET | Update | N/A |
| article html file updated | 14 October 2019 11:03 CEST | Update | N/A |
| article html file updated | 26 April 2019 21:22 CEST | Update | N/A |
| article html file updated | 12 April 2019 17:11 CEST | Update | N/A |
| article html file updated | 3 April 2019 14:55 CEST | Update | N/A |
| article html file updated | 1 March 2019 21:32 CET | Update | N/A |
| article html file updated | 28 February 2019 13:32 CET | Update | N/A |
| article html file updated | 3 February 2019 06:57 CET | Original file | N/A |
| article pdf uploaded. | 3 February 2019 06:55 CET | Version of Record | https://www.mdpi.com/2076-3921/8/2/34/pdf |
| article xml uploaded. | 3 February 2019 06:55 CET | Update | https://www.mdpi.com/2076-3921/8/2/34/xml |
| article xml file uploaded | 3 February 2019 06:55 CET | Original file | N/A |
