| article html file updated | 30 August 2025 00:12 CEST | Update | https://www.mdpi.com/2072-6643/9/1/53 |
| article html file updated | 21 August 2025 19:15 CEST | Update | - |
| article html file updated | 7 February 2020 21:06 CET | Update | - |
| article html file updated | 22 September 2019 19:36 CEST | Update | - |
| article html file updated | 4 May 2019 16:08 CEST | Update | - |
| article html file updated | 7 February 2017 12:28 CET | Update | - |
| article html file updated | 10 January 2017 15:38 CET | Original file | - |
| article xml uploaded. | 10 January 2017 15:37 CET | Original file | https://www.mdpi.com/2072-6643/9/1/53/xml |
| article pdf uploaded. | 10 January 2017 15:37 CET | Version of Record | https://www.mdpi.com/2072-6643/9/1/53/pdf |
