| article html file updated | 8 February 2020 02:14 CET | Update | https://www.mdpi.com/2304-6732/4/2/24 |
| article html file updated | 4 May 2019 05:03 CEST | Update | - |
| article html file updated | 29 June 2017 12:52 CEST | Update | - |
| article html file updated | 27 March 2017 05:48 CEST | Update | - |
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| article xml uploaded. | 25 March 2017 08:47 CET | Original file | https://www.mdpi.com/2304-6732/4/2/24/xml |
| article pdf uploaded. | 25 March 2017 08:47 CET | Version of Record | https://www.mdpi.com/2304-6732/4/2/24/pdf |
