| article html file updated | 29 August 2025 23:04 CEST | Update | https://www.mdpi.com/2077-0375/6/2/26 |
| article html file updated | 16 July 2022 02:22 CEST | Update | - |
| article html file updated | 7 February 2020 08:29 CET | Update | - |
| article html file updated | 5 May 2019 16:12 CEST | Update | - |
| article html file updated | 27 March 2019 04:19 CET | Update | - |
| article html file updated | 4 July 2016 05:06 CEST | Update | - |
| article html file updated | 11 May 2016 11:08 CEST | Original file | - |
| article xml uploaded. | 11 May 2016 11:06 CEST | Original file | https://www.mdpi.com/2077-0375/6/2/26/xml |
| article pdf uploaded. | 11 May 2016 11:06 CEST | Version of Record | https://www.mdpi.com/2077-0375/6/2/26/pdf |
