| article html file updated | 7 February 2020 05:08 CET | Update | https://www.mdpi.com/1999-4907/7/3/54 |
| article html file updated | 5 May 2019 23:02 CEST | Update | - |
| article html file updated | 26 March 2019 21:57 CET | Update | - |
| article html file updated | 29 March 2016 11:45 CEST | Original file | - |
| article pdf uploaded. | 1 March 2016 09:00 CET | Updated version of record | https://www.mdpi.com/1999-4907/7/3/54/pdf |
| article xml uploaded. | 1 March 2016 09:00 CET | Update | https://www.mdpi.com/1999-4907/7/3/54/xml |
| article pdf uploaded. | 27 February 2016 09:49 CET | Version of Record | https://www.mdpi.com/1999-4907/7/3/54/pdf-vor |
| article xml uploaded. | 27 February 2016 09:49 CET | Original file | - |
