| article html file updated | 7 February 2020 20:15 CET | Update | https://www.mdpi.com/1999-4907/8/1/10 |
| article html file updated | 22 September 2019 14:57 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:54 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:14 CET | Update | N/A |
| article html file updated | 24 December 2016 09:07 CET | Original file | N/A |
| article xml uploaded. | 24 December 2016 09:05 CET | Original file | https://www.mdpi.com/1999-4907/8/1/10/xml |
| article pdf uploaded. | 24 December 2016 09:05 CET | Version of Record | https://www.mdpi.com/1999-4907/8/1/10/pdf |
