| article html file updated | 30 August 2025 00:47 CEST | Update | https://www.mdpi.com/2075-4418/7/3/44 |
| article html file updated | 16 July 2022 05:29 CEST | Update | - |
| article html file updated | 8 February 2020 11:37 CET | Update | - |
| article html file updated | 26 September 2019 02:03 CEST | Update | - |
| article html file updated | 3 May 2019 11:09 CEST | Update | - |
| article html file updated | 27 March 2019 16:57 CET | Update | - |
| article html file updated | 30 September 2017 11:27 CEST | Update | - |
| article html file updated | 21 July 2017 11:05 CEST | Update | - |
| article html file updated | 21 July 2017 11:04 CEST | Update | - |
| article html file updated | 21 July 2017 11:04 CEST | Original file | - |
| article xml uploaded. | 21 July 2017 11:02 CEST | Original file | https://www.mdpi.com/2075-4418/7/3/44/xml |
| article pdf uploaded. | 21 July 2017 11:02 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/3/44/pdf |
