| article html file updated | 9 February 2020 16:30 CET | Update | https://www.mdpi.com/2220-9964/7/5/175 |
| article html file updated | 3 October 2019 07:04 CEST | Update | - |
| article html file updated | 30 April 2019 22:11 CEST | Update | - |
| article html file updated | 16 April 2019 22:40 CEST | Update | - |
| article html file updated | 29 March 2019 22:08 CET | Update | - |
| article html file updated | 30 May 2018 15:41 CEST | Update | - |
| article html file updated | 5 May 2018 12:11 CEST | Original file | - |
| article pdf uploaded. | 5 May 2018 12:10 CEST | Version of Record | https://www.mdpi.com/2220-9964/7/5/175/pdf |
| article xml uploaded. | 5 May 2018 12:10 CEST | Update | https://www.mdpi.com/2220-9964/7/5/175/xml |
| article xml file uploaded | 5 May 2018 12:10 CEST | Original file | - |
