| article html file updated | 11 February 2020 23:44 CET | Update | https://www.mdpi.com/2076-0752/8/1/38 |
| article html file updated | 16 October 2019 23:00 CEST | Update | - |
| article html file updated | 26 April 2019 00:00 CEST | Update | - |
| article html file updated | 11 April 2019 19:01 CEST | Update | - |
| article html file updated | 4 April 2019 17:15 CEST | Update | - |
| article html file updated | 2 April 2019 11:55 CEST | Update | - |
| article html file updated | 21 March 2019 07:44 CET | Original file | - |
| article pdf uploaded. | 21 March 2019 07:42 CET | Version of Record | https://www.mdpi.com/2076-0752/8/1/38/pdf |
| article xml uploaded. | 21 March 2019 07:42 CET | Update | https://www.mdpi.com/2076-0752/8/1/38/xml |
| article xml file uploaded | 21 March 2019 07:42 CET | Original file | - |
