| article html file updated | 8 February 2020 04:34 CET | Update | https://www.mdpi.com/1999-4907/8/5/145 |
| article html file updated | 24 September 2019 13:11 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:25 CEST | Update | N/A |
| article html file updated | 31 May 2017 06:51 CEST | Update | N/A |
| article html file updated | 27 April 2017 15:37 CEST | Original file | N/A |
| article xml uploaded. | 27 April 2017 15:35 CEST | Original file | https://www.mdpi.com/1999-4907/8/5/145/xml |
| article pdf uploaded. | 27 April 2017 15:35 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/5/145/pdf |
