| article html file updated | 30 August 2025 23:35 CEST | Update | https://www.mdpi.com/2218-6581/8/3/69 |
| article html file updated | 20 July 2022 05:40 CEST | Update | N/A |
| article html file updated | 13 February 2020 07:57 CET | Update | N/A |
| article html file updated | 27 September 2019 12:10 CEST | Update | N/A |
| article html file updated | 7 August 2019 09:18 CEST | Original file | N/A |
| article pdf uploaded. | 7 August 2019 09:17 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/3/69/pdf |
| article xml uploaded. | 7 August 2019 09:17 CEST | Update | https://www.mdpi.com/2218-6581/8/3/69/xml |
| article xml file uploaded | 7 August 2019 09:17 CEST | Original file | N/A |
