| article html file updated | 7 February 2020 08:08 CET | Update | https://www.mdpi.com/2304-6732/3/2/25 |
| article html file updated | 5 May 2019 16:53 CEST | Update | - |
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| article html file updated | 1 July 2016 13:33 CEST | Update | - |
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| article xml uploaded. | 4 May 2016 09:00 CEST | Update | https://www.mdpi.com/2304-6732/3/2/25/xml |
| article pdf uploaded. | 4 May 2016 09:00 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/2/25/pdf |
