| article html file updated | 9 February 2020 01:44 CET | Update | https://www.mdpi.com/1999-4907/9/1/4 |
| article html file updated | 29 September 2019 14:45 CEST | Update | - |
| article html file updated | 2 May 2019 04:59 CEST | Update | - |
| article html file updated | 18 April 2019 03:03 CEST | Update | - |
| article html file updated | 28 March 2019 12:27 CET | Update | - |
| article html file updated | 1 February 2018 13:05 CET | Update | - |
| article html file updated | 23 January 2018 13:25 CET | Update | - |
| article xml uploaded. | 23 January 2018 13:24 CET | Update | https://www.mdpi.com/1999-4907/9/1/4/xml |
| article pdf uploaded. | 23 January 2018 05:05 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/1/4/pdf |
| article pdf uploaded. | 23 January 2018 03:46 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/1/4/pdf-vor |
| article pdf uploaded. | 2 January 2018 04:53 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/1/4/pdf-vor |
| article html file updated | 2 January 2018 04:29 CET | Original file | - |
| article pdf uploaded. | 2 January 2018 04:28 CET | Version of Record | https://www.mdpi.com/1999-4907/9/1/4/pdf-vor |
