| article html file updated | 5 February 2020 11:49 CET | Update | https://www.mdpi.com/1422-8599/2007/2/M524 |
| article html file updated | 9 May 2019 12:36 CEST | Update | - |
| article html file updated | 19 March 2019 17:20 CET | Update | - |
| article html file updated | 23 September 2017 07:30 CEST | Update | - |
| article xml uploaded. | 23 September 2017 07:28 CEST | Update | https://www.mdpi.com/1422-8599/2007/2/M524/xml |
| article xml uploaded. | 23 September 2017 07:28 CEST | Update | - |
| article pdf uploaded. | 23 September 2017 07:28 CEST | Version of Record | https://www.mdpi.com/1422-8599/2007/2/M524/pdf |
| article html file updated | 22 September 2017 05:58 CEST | Update | - |
| article xml uploaded. | 22 September 2017 05:57 CEST | Original file | - |
| article html file updated | 14 December 2016 11:05 CET | Original file | - |
