| article html file updated | 30 August 2025 02:18 CEST | Update | https://www.mdpi.com/2073-4433/9/1/29 |
| article html file updated | 16 July 2022 08:38 CEST | Update | - |
| article html file updated | 9 February 2020 03:31 CET | Update | - |
| article html file updated | 30 September 2019 00:52 CEST | Update | - |
| article html file updated | 2 May 2019 01:19 CEST | Update | - |
| article html file updated | 17 April 2019 23:38 CEST | Update | - |
| article html file updated | 28 March 2019 16:37 CET | Update | - |
| article html file updated | 1 February 2018 07:51 CET | Update | - |
| article html file updated | 18 January 2018 15:25 CET | Original file | - |
| article xml uploaded. | 18 January 2018 15:24 CET | Original file | https://www.mdpi.com/2073-4433/9/1/29/xml |
| article pdf uploaded. | 18 January 2018 15:24 CET | Version of Record | https://www.mdpi.com/2073-4433/9/1/29/pdf |
