| article html file updated | 8 February 2020 09:21 CET | Update | https://www.mdpi.com/2311-5637/3/3/29 |
| article html file updated | 25 September 2019 14:05 CEST | Update | - |
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| article html file updated | 30 September 2017 13:56 CEST | Update | - |
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| article html file updated | 27 June 2017 11:56 CEST | Original file | - |
| article xml uploaded. | 27 June 2017 11:34 CEST | Original file | https://www.mdpi.com/2311-5637/3/3/29/xml |
| article pdf uploaded. | 27 June 2017 11:34 CEST | Version of Record | https://www.mdpi.com/2311-5637/3/3/29/pdf |
