| article html file updated | 5 February 2020 11:49 CET | Update | https://www.mdpi.com/1422-8599/2007/1/M522 |
| 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 | 22 September 2017 10:15 CEST | Update | - |
| article xml uploaded. | 22 September 2017 10:14 CEST | Update | https://www.mdpi.com/1422-8599/2007/1/M522/xml |
| article html file updated | 22 September 2017 04:40 CEST | Update | - |
| article xml uploaded. | 22 September 2017 04:39 CEST | Update | - |
| article html file updated | 21 September 2017 05:21 CEST | Update | - |
| article xml uploaded. | 21 September 2017 05:20 CEST | Update | - |
| article xml uploaded. | 21 September 2017 05:20 CEST | Original file | - |
| article html file updated | 14 December 2016 11:05 CET | Original file | - |
