| article html file updated | 6 February 2020 06:09 CET | Update | https://www.mdpi.com/1422-8599/2013/4/M811 |
| article html file updated | 7 May 2019 20:55 CEST | Update | - |
| article html file updated | 21 March 2019 09:20 CET | Update | - |
| article html file updated | 21 September 2017 08:41 CEST | Update | - |
| article xml uploaded. | 21 September 2017 08:40 CEST | Update | https://www.mdpi.com/1422-8599/2013/4/M811/xml |
| article html file updated | 21 September 2017 06:17 CEST | Update | - |
| article xml uploaded. | 21 September 2017 06:16 CEST | Original file | - |
| article html file updated | 15 December 2016 02:21 CET | Original file | - |
| article pdf uploaded. | 16 December 2013 19:54 CET | Updated version of record | https://www.mdpi.com/1422-8599/2013/4/M811/pdf |
| article supplementary file uploaded. | 12 December 2013 17:00 CET | - | https://www.mdpi.com/1422-8599/2013/4/M811#supplementary |
| article pdf uploaded. | 12 December 2013 17:00 CET | Version of Record | https://www.mdpi.com/1422-8599/2013/4/M811/pdf-vor |