| article html file updated | 8 February 2020 01:55 CET | Update | https://www.mdpi.com/1996-1073/10/3/402 |
| article html file updated | 23 September 2019 22:26 CEST | Update | - |
| article html file updated | 4 May 2019 05:43 CEST | Update | - |
| article html file updated | 28 March 2017 11:47 CEST | Update | - |
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| article html file updated | 21 March 2017 12:57 CET | Original file | - |
| article xml uploaded. | 21 March 2017 12:56 CET | Original file | https://www.mdpi.com/1996-1073/10/3/402/xml |
| article pdf uploaded. | 21 March 2017 12:56 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/402/pdf |
