| article html file updated | 30 August 2025 00:20 CEST | Update | https://www.mdpi.com/2073-4441/9/2/90 |
| article html file updated | 16 July 2022 04:44 CEST | Update | N/A |
| article html file updated | 7 February 2020 22:38 CET | Update | N/A |
| article html file updated | 23 September 2019 03:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:45 CEST | Update | N/A |
| article html file updated | 1 March 2017 08:01 CET | Update | N/A |
| article html file updated | 4 February 2017 09:23 CET | Original file | N/A |
| article xml uploaded. | 4 February 2017 09:22 CET | Original file | https://www.mdpi.com/2073-4441/9/2/90/xml |
| article pdf uploaded. | 4 February 2017 09:22 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/90/pdf |
