| article html file updated | 9 February 2020 00:37 CET | Update | https://www.mdpi.com/2073-4441/9/12/994 |
| article html file updated | 29 September 2019 08:21 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:24 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:16 CEST | Update | N/A |
| article html file updated | 2 January 2018 16:55 CET | Update | N/A |
| article html file updated | 22 December 2017 23:03 CET | Update | N/A |
| article xml uploaded. | 22 December 2017 03:07 CET | Update | https://www.mdpi.com/2073-4441/9/12/994/xml |
| article xml uploaded. | 22 December 2017 03:07 CET | Update | N/A |
| article pdf uploaded. | 22 December 2017 03:07 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/12/994/pdf |
| article html file updated | 20 December 2017 23:23 CET | Update | N/A |
| article xml uploaded. | 20 December 2017 06:31 CET | Update | N/A |
| article pdf uploaded. | 20 December 2017 06:31 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/12/994/pdf-vor |
| article html file updated | 19 December 2017 17:08 CET | Original file | N/A |
| article xml uploaded. | 19 December 2017 17:07 CET | Update | N/A |
| article xml uploaded. | 19 December 2017 17:07 CET | Original file | N/A |
| article pdf uploaded. | 19 December 2017 17:07 CET | Version of Record | https://www.mdpi.com/2073-4441/9/12/994/pdf-vor |
