| article html file updated | 23 October 2025 06:26 CEST | Update | https://www.mdpi.com/2076-2615/8/4/45 |
| article html file updated | 9 February 2020 11:37 CET | Update | - |
| article html file updated | 2 October 2019 01:28 CEST | Update | - |
| article html file updated | 1 May 2019 07:56 CEST | Update | - |
| article html file updated | 17 April 2019 07:54 CEST | Update | - |
| article html file updated | 29 March 2019 10:38 CET | Update | - |
| article html file updated | 1 May 2018 10:17 CEST | Update | - |
| article html file updated | 28 March 2018 13:29 CEST | Original file | - |
| article xml uploaded. | 28 March 2018 13:27 CEST | Original file | https://www.mdpi.com/2076-2615/8/4/45/xml |
| article pdf uploaded. | 28 March 2018 13:27 CEST | Version of Record | https://www.mdpi.com/2076-2615/8/4/45/pdf |