| article xml uploaded. | 17 February 2022 04:33 CET | Update | https://www.mdpi.com/2072-4292/7/2/1836/xml |
| article html file updated | 6 February 2020 15:50 CET | Update | https://www.mdpi.com/2072-4292/7/2/1836 |
| article html file updated | 7 May 2019 01:13 CEST | Update | N/A |
| article html file updated | 25 March 2019 21:34 CET | Update | N/A |
| article html file updated | 21 August 2015 07:19 CEST | Update | N/A |
| article html file updated | 18 March 2015 03:56 CET | Original file | N/A |
| article xml file uploaded | 18 March 2015 03:56 CET | Original file | N/A |
| article pdf uploaded. | 9 February 2015 14:35 CET | Version of Record | https://www.mdpi.com/2072-4292/7/2/1836/pdf |
