| article html file updated | 12 February 2020 13:07 CET | Update | https://www.mdpi.com/2076-0752/8/2/64 |
| article html file updated | 4 July 2019 16:32 CEST | Update | - |
| article html file updated | 22 May 2019 05:07 CEST | Update | - |
| article pdf uploaded. | 22 May 2019 05:06 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/2/64/pdf |
| article xml uploaded. | 22 May 2019 05:06 CEST | Update | https://www.mdpi.com/2076-0752/8/2/64/xml |
| article xml file uploaded | 22 May 2019 05:06 CEST | Update | - |
| article html file updated | 20 May 2019 05:00 CEST | Update | - |
| article pdf uploaded. | 20 May 2019 04:59 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/2/64/pdf-vor |
| article xml file uploaded | 20 May 2019 04:59 CEST | Update | - |
| article html file updated | 17 May 2019 08:43 CEST | Original file | - |
| article pdf uploaded. | 17 May 2019 08:41 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/2/64/pdf-vor |
| article xml file uploaded | 17 May 2019 08:41 CEST | Original file | - |