| article html file updated | 30 August 2025 00:37 CEST | Update | https://www.mdpi.com/2308-3417/2/1/13 |
| article html file updated | 16 July 2022 05:19 CEST | Update | - |
| article html file updated | 8 February 2020 01:33 CET | Update | - |
| article html file updated | 23 September 2019 20:17 CEST | Update | - |
| article html file updated | 4 May 2019 06:32 CEST | Update | - |
| article html file updated | 16 March 2017 06:18 CET | Original file | - |
| article xml uploaded. | 16 March 2017 06:16 CET | Original file | https://www.mdpi.com/2308-3417/2/1/13/xml |
| article pdf uploaded. | 16 March 2017 06:16 CET | Version of Record | https://www.mdpi.com/2308-3417/2/1/13/pdf |
