| article html file updated | 7 February 2020 07:06 CET | Update | https://www.mdpi.com/2304-8158/5/2/28 |
| article html file updated | 5 May 2019 18:58 CEST | Update | N/A |
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| article html file updated | 5 July 2016 06:35 CEST | Update | N/A |
| article html file updated | 11 April 2016 13:06 CEST | Original file | N/A |
| article xml uploaded. | 11 April 2016 13:04 CEST | Original file | https://www.mdpi.com/2304-8158/5/2/28/xml |
| article pdf uploaded. | 11 April 2016 13:04 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/2/28/pdf |
