| article html file updated | 8 February 2020 23:07 CET | Update | https://www.mdpi.com/2075-5309/7/4/115 |
| article html file updated | 28 September 2019 23:44 CEST | Update | N/A |
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| article html file updated | 18 April 2019 08:18 CEST | Update | N/A |
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| article html file updated | 5 December 2017 07:42 CET | Original file | N/A |
| article xml uploaded. | 5 December 2017 07:40 CET | Original file | https://www.mdpi.com/2075-5309/7/4/115/xml |
| article pdf uploaded. | 5 December 2017 07:40 CET | Version of Record | https://www.mdpi.com/2075-5309/7/4/115/pdf |
