| article html file updated | 29 August 2025 22:43 CEST | Update | https://www.mdpi.com/2220-9964/5/2/18 |
| article html file updated | 16 July 2022 01:47 CEST | Update | - |
| article html file updated | 7 February 2020 04:42 CET | Update | - |
| article html file updated | 6 May 2019 00:01 CEST | Update | - |
| article html file updated | 26 March 2019 21:01 CET | Original file | - |
| article pdf uploaded. | 18 February 2016 09:44 CET | Version of Record | https://www.mdpi.com/2220-9964/5/2/18/pdf |
| article xml uploaded. | 18 February 2016 09:44 CET | Original file | https://www.mdpi.com/2220-9964/5/2/18/xml |
