| article html file updated | 12 February 2026 07:48 CET | Update | https://www.mdpi.com/1660-3397/6/2/291 |
| article xml uploaded. | 6 February 2026 09:16 CET | Update | https://www.mdpi.com/1660-3397/6/2/291/xml |
| article xml uploaded. | 6 February 2026 08:54 CET | Update | N/A |
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| article pdf uploaded. | 5 February 2026 07:35 CET | Version of Record | https://www.mdpi.com/1660-3397/6/2/291/pdf |
| article html file updated | 16 June 2015 04:37 CEST | Update | N/A |
| article html file updated | 6 February 2013 13:58 CET | Update | N/A |
| article html file updated | 5 February 2013 17:50 CET | Update | N/A |
| article html file updated | 28 January 2013 15:54 CET | Update | N/A |
| article html file updated | 25 January 2013 17:30 CET | Update | N/A |
| article html file updated | 21 January 2013 09:58 CET | Update | N/A |
| article html file updated | 18 January 2013 19:27 CET | Update | N/A |
| article html file updated | 17 January 2013 18:04 CET | Original file | N/A |
