| article html file updated | 9 February 2020 04:23 CET | Update | https://www.mdpi.com/2076-0817/7/1/15 |
| article html file updated | 30 September 2019 05:43 CEST | Update | - |
| article html file updated | 1 May 2019 23:28 CEST | Update | - |
| article html file updated | 17 April 2019 22:03 CEST | Update | - |
| article html file updated | 28 March 2019 18:26 CET | Update | - |
| article html file updated | 26 March 2018 17:16 CEST | Update | - |
| article html file updated | 25 January 2018 17:47 CET | Update | - |
| article xml uploaded. | 25 January 2018 17:46 CET | Update | https://www.mdpi.com/2076-0817/7/1/15/xml |
| article pdf uploaded. | 25 January 2018 17:46 CET | Updated version of record | https://www.mdpi.com/2076-0817/7/1/15/pdf |
| article html file updated | 25 January 2018 17:43 CET | Original file | - |
| article xml uploaded. | 25 January 2018 17:42 CET | Original file | - |
| article pdf uploaded. | 25 January 2018 17:42 CET | Version of Record | - |
