| article html file updated | 12 February 2020 01:20 CET | Update | https://www.mdpi.com/2079-7737/8/2/20 |
| article html file updated | 17 October 2019 07:54 CEST | Update | - |
| article html file updated | 5 July 2019 14:05 CEST | Update | - |
| article html file updated | 5 July 2019 08:04 CEST | Update | - |
| article html file updated | 25 April 2019 20:25 CEST | Update | - |
| article html file updated | 11 April 2019 15:37 CEST | Update | - |
| article html file updated | 28 March 2019 11:45 CET | Update | - |
| article pdf uploaded. | 28 March 2019 11:44 CET | Updated version of record | https://www.mdpi.com/2079-7737/8/2/20/pdf |
| article xml uploaded. | 28 March 2019 11:44 CET | Update | https://www.mdpi.com/2079-7737/8/2/20/xml |
| article xml file uploaded | 28 March 2019 11:44 CET | Update | - |
| article html file updated | 28 March 2019 11:16 CET | Update | - |
| article pdf uploaded. | 28 March 2019 11:14 CET | Updated version of record | - |
| article xml file uploaded | 28 March 2019 11:14 CET | Update | - |
| article html file updated | 28 March 2019 10:14 CET | Original file | - |
| article xml file uploaded | 28 March 2019 10:11 CET | Original file | - |
