| article html file updated | 9 February 2020 01:46 CET | Update | https://www.mdpi.com/2076-3263/8/1/7 |
| article html file updated | 29 September 2019 14:55 CEST | Update | - |
| article html file updated | 2 May 2019 04:55 CEST | Update | - |
| article html file updated | 18 April 2019 02:59 CEST | Update | - |
| article html file updated | 28 March 2019 12:32 CET | Update | - |
| article html file updated | 1 February 2018 15:11 CET | Update | - |
| article pdf uploaded. | 23 January 2018 08:38 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/1/7/pdf |
| article pdf uploaded. | 23 January 2018 05:02 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/1/7/pdf-vor |
| article html file updated | 2 January 2018 20:33 CET | Original file | - |
| article xml uploaded. | 2 January 2018 10:54 CET | Update | https://www.mdpi.com/2076-3263/8/1/7/xml |
| article pdf uploaded. | 2 January 2018 10:54 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/7/pdf-vor |
