| article html file updated | 7 February 2020 19:20 CET | Update | https://www.mdpi.com/2071-1050/8/12/1293 |
| article html file updated | 22 September 2019 09:57 CEST | Update | - |
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| article html file updated | 28 December 2016 08:17 CET | Update | - |
| article html file updated | 9 December 2016 09:11 CET | Original file | - |
| article xml uploaded. | 9 December 2016 09:10 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1293/xml |
| article pdf uploaded. | 9 December 2016 09:10 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1293/pdf |
