| article html file updated | 11 February 2020 04:38 CET | Update | https://www.mdpi.com/2076-3417/9/1/21 |
| article html file updated | 12 October 2019 07:52 CEST | Update | N/A |
| article html file updated | 27 April 2019 16:07 CEST | Update | N/A |
| article html file updated | 13 April 2019 11:59 CEST | Update | N/A |
| article html file updated | 2 April 2019 17:05 CEST | Update | N/A |
| article html file updated | 16 January 2019 04:07 CET | Update | N/A |
| article html file updated | 21 December 2018 12:09 CET | Original file | N/A |
| article pdf uploaded. | 21 December 2018 12:08 CET | Version of Record | https://www.mdpi.com/2076-3417/9/1/21/pdf |
| article xml uploaded. | 21 December 2018 12:08 CET | Update | https://www.mdpi.com/2076-3417/9/1/21/xml |
| article xml file uploaded | 21 December 2018 12:08 CET | Original file | N/A |
