| article html file updated | 7 February 2020 10:53 CET | Update | https://www.mdpi.com/2304-8158/5/3/48 |
| article html file updated | 21 September 2019 19:57 CEST | Update | - |
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| article xml uploaded. | 30 June 2016 09:26 CEST | Update | https://www.mdpi.com/2304-8158/5/3/48/xml |
| article pdf uploaded. | 30 June 2016 09:26 CEST | Updated version of record | https://www.mdpi.com/2304-8158/5/3/48/pdf |
| article html file updated | 28 June 2016 09:51 CEST | Original file | - |
| article pdf uploaded. | 28 June 2016 09:50 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/3/48/pdf-vor |
