| article html file updated | 11 February 2020 23:52 CET | Update | https://www.mdpi.com/2076-0817/8/1/38 |
| article html file updated | 16 October 2019 23:42 CEST | Update | - |
| article html file updated | 25 April 2019 23:44 CEST | Update | - |
| article html file updated | 11 April 2019 18:46 CEST | Update | - |
| article html file updated | 4 April 2019 17:34 CEST | Update | - |
| article html file updated | 2 April 2019 10:58 CEST | Update | - |
| article html file updated | 21 March 2019 11:28 CET | Update | - |
| article pdf uploaded. | 21 March 2019 11:27 CET | Updated version of record | https://www.mdpi.com/2076-0817/8/1/38/pdf |
| article xml uploaded. | 21 March 2019 11:27 CET | Update | https://www.mdpi.com/2076-0817/8/1/38/xml |
| article xml file uploaded | 21 March 2019 11:27 CET | Update | - |
| article html file updated | 21 March 2019 11:17 CET | Original file | - |
| article xml file uploaded | 21 March 2019 11:15 CET | Original file | - |
