| article html file updated | 12 February 2020 01:19 CET | Update | https://www.mdpi.com/1424-8220/19/7/1504 |
| article html file updated | 17 October 2019 07:44 CEST | Update | - |
| article html file updated | 25 April 2019 20:29 CEST | Update | - |
| article html file updated | 18 April 2019 09:58 CEST | Update | - |
| article html file updated | 11 April 2019 15:41 CEST | Update | - |
| article html file updated | 28 March 2019 11:31 CET | Update | - |
| article html file updated | 28 March 2019 11:27 CET | Update | - |
| article html file updated | 28 March 2019 11:25 CET | Original file | - |
| article xml file uploaded | 28 March 2019 09:29 CET | Update | https://www.mdpi.com/1424-8220/19/7/1504/xml |
| article pdf uploaded. | 28 March 2019 09:29 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/7/1504/pdf |
| article pdf uploaded. | 28 March 2019 09:20 CET | Updated version of record | - |
| article xml file uploaded | 28 March 2019 09:19 CET | Update | - |
| article xml file uploaded | 28 March 2019 09:13 CET | Original file | - |
