| article html file updated | 7 February 2020 08:47 CET | Update | https://www.mdpi.com/2304-8158/5/2/35 |
| article html file updated | 5 May 2019 15:38 CEST | Update | N/A |
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| article html file updated | 17 May 2016 09:33 CEST | Original file | N/A |
| article xml uploaded. | 17 May 2016 09:31 CEST | Original file | https://www.mdpi.com/2304-8158/5/2/35/xml |
| article pdf uploaded. | 17 May 2016 09:31 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/2/35/pdf |
