| article html file updated | 30 August 2025 00:35 CEST | Update | https://www.mdpi.com/2306-5354/4/1/22 |
| article html file updated | 16 July 2022 05:13 CEST | Update | - |
| article html file updated | 8 February 2020 01:10 CET | Update | - |
| article html file updated | 23 September 2019 18:10 CEST | Update | - |
| article html file updated | 4 May 2019 07:21 CEST | Update | - |
| article html file updated | 29 March 2017 06:10 CEST | Update | - |
| article html file updated | 10 March 2017 09:39 CET | Original file | - |
| article xml uploaded. | 10 March 2017 09:38 CET | Original file | https://www.mdpi.com/2306-5354/4/1/22/xml |
| article pdf uploaded. | 10 March 2017 09:38 CET | Version of Record | https://www.mdpi.com/2306-5354/4/1/22/pdf |
