| article html file updated | 30 August 2025 14:17 CEST | Update | https://www.mdpi.com/2076-3271/7/4/64 |
| article html file updated | 21 August 2025 20:46 CEST | Update | N/A |
| article html file updated | 12 February 2020 07:16 CET | Update | N/A |
| article html file updated | 18 October 2019 20:56 CEST | Update | N/A |
| article html file updated | 8 May 2019 22:09 CEST | Update | N/A |
| article html file updated | 26 April 2019 05:07 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2019 05:06 CEST | Updated version of record | https://www.mdpi.com/2076-3271/7/4/64/pdf |
| article xml uploaded. | 26 April 2019 05:06 CEST | Update | https://www.mdpi.com/2076-3271/7/4/64/xml |
| article xml file uploaded | 26 April 2019 05:06 CEST | Update | N/A |
| article pdf uploaded. | 23 April 2019 16:12 CEST | Version of Record | https://www.mdpi.com/2076-3271/7/4/64/pdf-vor |
| article xml file uploaded | 23 April 2019 16:12 CEST | Original file | N/A |