| article html file updated | 12 February 2020 00:09 CET | Update | https://www.mdpi.com/2076-0752/8/1/39 |
| article html file updated | 25 April 2019 23:03 CEST | Update | - |
| article html file updated | 11 April 2019 18:08 CEST | Update | - |
| article html file updated | 4 April 2019 18:18 CEST | Update | - |
| article html file updated | 2 April 2019 11:55 CEST | Update | - |
| article html file updated | 25 March 2019 07:25 CET | Update | - |
| article pdf uploaded. | 25 March 2019 07:23 CET | Updated version of record | https://www.mdpi.com/2076-0752/8/1/39/pdf |
| article xml uploaded. | 25 March 2019 07:23 CET | Update | https://www.mdpi.com/2076-0752/8/1/39/xml |
| article xml file uploaded | 25 March 2019 07:23 CET | Update | - |
| article html file updated | 22 March 2019 10:54 CET | Original file | - |
| article pdf uploaded. | 22 March 2019 10:53 CET | Version of Record | https://www.mdpi.com/2076-0752/8/1/39/pdf-vor |
| article xml file uploaded | 22 March 2019 10:53 CET | Original file | - |