| article html file updated | 30 August 2025 03:34 CEST | Update | https://www.mdpi.com/2079-9721/6/2/27 |
| article html file updated | 21 August 2025 20:00 CEST | Update | - |
| article html file updated | 9 February 2020 14:34 CET | Update | - |
| article html file updated | 2 October 2019 19:18 CEST | Update | - |
| article html file updated | 1 May 2019 02:00 CEST | Update | - |
| article html file updated | 17 April 2019 02:34 CEST | Update | - |
| article html file updated | 29 March 2019 17:25 CET | Update | - |
| article html file updated | 20 April 2018 06:12 CEST | Original file | - |
| article pdf uploaded. | 20 April 2018 06:11 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/2/27/pdf |
| article xml uploaded. | 20 April 2018 06:11 CEST | Update | https://www.mdpi.com/2079-9721/6/2/27/xml |
| article xml file uploaded | 20 April 2018 06:11 CEST | Original file | - |
