| article html file updated | 7 February 2020 06:47 CET | Update | https://www.mdpi.com/2072-666X/7/4/59 |
| article html file updated | 21 September 2019 14:26 CEST | Update | - |
| article html file updated | 5 May 2019 19:40 CEST | Update | - |
| article html file updated | 27 March 2019 00:57 CET | Update | - |
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| article html file updated | 29 April 2016 05:30 CEST | Update | - |
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| article xml uploaded. | 20 April 2016 03:07 CEST | Update | https://www.mdpi.com/2072-666X/7/4/59/xml |
| article html file updated | 1 April 2016 13:07 CEST | Original file | - |
| article pdf uploaded. | 1 April 2016 13:06 CEST | Version of Record | https://www.mdpi.com/2072-666X/7/4/59/pdf |
