| article html file updated | 11 February 2020 17:22 CET | Update | https://www.mdpi.com/1422-0067/20/4/921 |
| article html file updated | 15 October 2019 07:52 CEST | Update | - |
| article html file updated | 26 April 2019 13:59 CEST | Update | - |
| article html file updated | 12 April 2019 09:33 CEST | Update | - |
| article html file updated | 4 April 2019 00:03 CEST | Update | - |
| article html file updated | 1 March 2019 16:34 CET | Update | - |
| article pdf uploaded. | 1 March 2019 08:25 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/4/921/pdf |
| article html file updated | 1 March 2019 07:01 CET | Update | - |
| article html file updated | 26 February 2019 10:35 CET | Update | - |
| article pdf uploaded. | 26 February 2019 10:34 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/4/921/pdf-vor |
| article xml uploaded. | 26 February 2019 10:34 CET | Update | https://www.mdpi.com/1422-0067/20/4/921/xml |
| article xml file uploaded | 26 February 2019 10:34 CET | Update | - |
| article html file updated | 20 February 2019 11:07 CET | Original file | - |
| article xml uploaded. | 20 February 2019 11:05 CET | Update | - |
| article xml uploaded. | 20 February 2019 11:05 CET | Update | - |
| article pdf uploaded. | 20 February 2019 10:51 CET | Version of Record | https://www.mdpi.com/1422-0067/20/4/921/pdf-vor |
| article xml file uploaded | 20 February 2019 10:51 CET | Update | - |
| article xml uploaded. | 20 February 2019 10:51 CET | Original file | - |
