| article html file updated | 9 February 2020 04:55 CET | Update | https://www.mdpi.com/1999-4907/9/2/71 |
| article html file updated | 30 September 2019 08:56 CEST | Update | - |
| article html file updated | 1 May 2019 22:19 CEST | Update | - |
| article html file updated | 17 April 2019 21:02 CEST | Update | - |
| article html file updated | 28 March 2019 19:37 CET | Update | - |
| article html file updated | 14 March 2018 09:27 CET | Update | - |
| article html file updated | 1 February 2018 16:06 CET | Original file | - |
| article xml uploaded. | 1 February 2018 11:37 CET | Update | https://www.mdpi.com/1999-4907/9/2/71/xml |
| article xml uploaded. | 1 February 2018 11:37 CET | Update | - |
| article pdf uploaded. | 1 February 2018 11:37 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/2/71/pdf |
| article xml uploaded. | 1 February 2018 02:45 CET | Update | - |
| article xml uploaded. | 1 February 2018 02:45 CET | Original file | - |
| article pdf uploaded. | 1 February 2018 02:45 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/2/71/pdf-vor |
| article pdf uploaded. | 30 January 2018 16:32 CET | Version of Record | https://www.mdpi.com/1999-4907/9/2/71/pdf-vor |
