| article html file updated | 30 August 2025 00:13 CEST | Update | https://www.mdpi.com/2226-4787/5/1/3 |
| article html file updated | 16 July 2022 04:29 CEST | Update | N/A |
| article html file updated | 7 February 2020 21:20 CET | Update | N/A |
| article html file updated | 22 September 2019 20:37 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:36 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:53 CEST | Update | N/A |
| article html file updated | 12 January 2017 11:25 CET | Original file | N/A |
| article xml uploaded. | 12 January 2017 11:24 CET | Original file | https://www.mdpi.com/2226-4787/5/1/3/xml |
| article pdf uploaded. | 12 January 2017 11:24 CET | Version of Record | https://www.mdpi.com/2226-4787/5/1/3/pdf |