| article html file updated | 29 August 2025 22:31 CEST | Update | https://www.mdpi.com/2072-4292/8/1/13 |
| article html file updated | 16 July 2022 01:30 CEST | Update | N/A |
| article html file updated | 7 February 2020 02:41 CET | Update | N/A |
| article html file updated | 6 May 2019 04:02 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:12 CET | Original file | N/A |
| article pdf uploaded. | 28 December 2015 10:50 CET | Updated version of record | https://www.mdpi.com/2072-4292/8/1/13/pdf |
| article pdf uploaded. | 24 December 2015 13:08 CET | Version of Record | https://www.mdpi.com/2072-4292/8/1/13/pdf-vor |
| article xml uploaded. | 24 December 2015 13:08 CET | Original file | https://www.mdpi.com/2072-4292/8/1/13/xml |
