| article html file updated | 12 February 2020 14:49 CET | Update | https://www.mdpi.com/2223-7747/8/5/138 |
| article html file updated | 20 October 2019 16:12 CEST | Update | - |
| article html file updated | 4 June 2019 23:04 CEST | Update | - |
| article html file updated | 24 May 2019 10:46 CEST | Original file | - |
| article pdf uploaded. | 24 May 2019 10:45 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/5/138/pdf |
| article xml uploaded. | 24 May 2019 10:45 CEST | Update | https://www.mdpi.com/2223-7747/8/5/138/xml |
| article xml file uploaded | 24 May 2019 10:45 CEST | Original file | - |
