| article html file updated | 8 February 2020 02:21 CET | Update | https://www.mdpi.com/1999-4907/8/4/100 |
| article html file updated | 24 September 2019 00:53 CEST | Update | - |
| article html file updated | 4 May 2019 04:47 CEST | Update | - |
| article html file updated | 28 April 2017 06:39 CEST | Update | - |
| article html file updated | 27 March 2017 14:16 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 14:15 CEST | Original file | https://www.mdpi.com/1999-4907/8/4/100/xml |
| article pdf uploaded. | 27 March 2017 14:15 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/4/100/pdf |
