| article html file updated | 8 February 2020 04:40 CET | Update | https://www.mdpi.com/1999-4907/8/5/148 |
| article html file updated | 24 September 2019 13:46 CEST | Update | N/A |
| article html file updated | 4 May 2019 00:13 CEST | Update | N/A |
| article html file updated | 31 May 2017 06:52 CEST | Update | N/A |
| article html file updated | 10 May 2017 11:47 CEST | Original file | N/A |
| article xml uploaded. | 10 May 2017 11:45 CEST | Original file | https://www.mdpi.com/1999-4907/8/5/148/xml |
| article pdf uploaded. | 10 May 2017 11:45 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/5/148/pdf |
| article pdf uploaded. | 29 April 2017 10:42 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/5/148/pdf-vor |
