| article html file updated | 29 August 2025 21:00 CEST | Update | https://www.mdpi.com/2075-4426/4/2/147 |
| article html file updated | 15 July 2022 22:57 CEST | Update | - |
| article html file updated | 6 February 2020 08:12 CET | Update | - |
| article html file updated | 7 May 2019 16:43 CEST | Update | - |
| article html file updated | 21 March 2019 14:36 CET | Update | - |
| article html file updated | 20 August 2015 01:18 CEST | Update | - |
| article html file updated | 24 July 2014 10:23 CEST | Original file | - |
| article xml file uploaded | 24 July 2014 10:23 CEST | Original file | https://www.mdpi.com/2075-4426/4/2/147/xml |
| article supplementary file uploaded. | 27 March 2014 09:52 CET | - | https://www.mdpi.com/2075-4426/4/2/147#supplementary |
| article pdf uploaded. | 27 March 2014 09:52 CET | Version of Record | https://www.mdpi.com/2075-4426/4/2/147/pdf |