| article html file updated | 11 February 2020 05:44 CET | Update | https://www.mdpi.com/2073-4344/9/1/21 |
| article html file updated | 12 October 2019 15:08 CEST | Update | - |
| article html file updated | 27 April 2019 13:32 CEST | Update | - |
| article html file updated | 13 April 2019 09:31 CEST | Update | - |
| article html file updated | 2 April 2019 19:52 CEST | Update | - |
| article html file updated | 29 January 2019 03:56 CET | Update | - |
| article html file updated | 29 December 2018 05:24 CET | Original file | - |
| article pdf uploaded. | 29 December 2018 05:21 CET | Updated version of record | https://www.mdpi.com/2073-4344/9/1/21/pdf |
| article xml uploaded. | 29 December 2018 05:21 CET | Update | https://www.mdpi.com/2073-4344/9/1/21/xml |
| article xml file uploaded | 29 December 2018 05:21 CET | Update | - |
| article pdf uploaded. | 28 December 2018 17:04 CET | Updated version of record | https://www.mdpi.com/2073-4344/9/1/21/pdf-vor |
| article pdf uploaded. | 28 December 2018 16:52 CET | Version of Record | https://www.mdpi.com/2073-4344/9/1/21/pdf-vor |
| article xml file uploaded | 28 December 2018 16:52 CET | Original file | - |
