| article html file updated | 31 August 2025 00:41 CEST | Update | https://www.mdpi.com/2227-9709/6/3/33 |
| article html file updated | 20 July 2022 04:19 CEST | Update | N/A |
| article html file updated | 13 February 2020 13:45 CET | Update | N/A |
| article html file updated | 26 September 2019 17:31 CEST | Update | N/A |
| article html file updated | 30 August 2019 10:44 CEST | Original file | N/A |
| article pdf uploaded. | 30 August 2019 10:43 CEST | Version of Record | https://www.mdpi.com/2227-9709/6/3/33/pdf |
| article xml uploaded. | 30 August 2019 10:43 CEST | Update | https://www.mdpi.com/2227-9709/6/3/33/xml |
| article xml file uploaded | 30 August 2019 10:43 CEST | Original file | N/A |
