| article html file updated | 30 August 2025 04:12 CEST | Update | https://www.mdpi.com/2073-4409/7/6/51 |
| article html file updated | 16 July 2022 20:52 CEST | Update | - |
| article html file updated | 9 February 2020 19:46 CET | Update | - |
| article html file updated | 4 October 2019 03:32 CEST | Update | - |
| article html file updated | 30 April 2019 14:59 CEST | Update | - |
| article html file updated | 16 April 2019 15:33 CEST | Update | - |
| article html file updated | 30 March 2019 06:22 CET | Update | - |
| article html file updated | 11 July 2018 14:21 CEST | Update | - |
| article xml uploaded. | 11 July 2018 14:19 CEST | Update | https://www.mdpi.com/2073-4409/7/6/51/xml |
| article html file updated | 26 June 2018 04:56 CEST | Update | - |
| article html file updated | 31 May 2018 17:07 CEST | Original file | - |
| article pdf uploaded. | 31 May 2018 17:06 CEST | Version of Record | https://www.mdpi.com/2073-4409/7/6/51/pdf |
| article xml file uploaded | 31 May 2018 17:06 CEST | Original file | - |