| article html file updated | 8 February 2020 01:52 CET | Update | https://www.mdpi.com/2311-5637/3/1/12 |
| article html file updated | 23 September 2019 22:12 CEST | Update | - |
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| article html file updated | 30 March 2017 03:29 CEST | Update | - |
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| article html file updated | 21 March 2017 10:02 CET | Original file | - |
| article xml uploaded. | 21 March 2017 10:00 CET | Original file | https://www.mdpi.com/2311-5637/3/1/12/xml |
| article pdf uploaded. | 21 March 2017 10:00 CET | Version of Record | https://www.mdpi.com/2311-5637/3/1/12/pdf |
