| article html file updated | 30 August 2025 04:26 CEST | Update | https://www.mdpi.com/2073-4409/7/6/56 |
| article html file updated | 16 July 2022 21:24 CEST | Update | N/A |
| article html file updated | 9 February 2020 20:56 CET | Update | N/A |
| article html file updated | 4 October 2019 11:01 CEST | Update | N/A |
| article html file updated | 30 April 2019 12:13 CEST | Update | N/A |
| article html file updated | 16 April 2019 12:37 CEST | Update | N/A |
| article html file updated | 16 April 2019 07:19 CEST | Update | N/A |
| article html file updated | 30 March 2019 09:26 CET | Update | N/A |
| article html file updated | 26 June 2018 05:00 CEST | Update | N/A |
| article html file updated | 10 June 2018 07:49 CEST | Original file | N/A |
| article pdf uploaded. | 10 June 2018 07:48 CEST | Version of Record | https://www.mdpi.com/2073-4409/7/6/56/pdf |
| article xml uploaded. | 10 June 2018 07:48 CEST | Update | https://www.mdpi.com/2073-4409/7/6/56/xml |
| article xml file uploaded | 10 June 2018 07:48 CEST | Original file | N/A |