| article html file updated | 11 February 2020 16:23 CET | Update | https://www.mdpi.com/2220-9964/8/2/91 |
| article html file updated | 15 October 2019 01:53 CEST | Update | - |
| article html file updated | 26 April 2019 16:05 CEST | Update | - |
| article html file updated | 12 April 2019 11:51 CEST | Update | - |
| article html file updated | 3 April 2019 21:23 CEST | Update | - |
| article html file updated | 1 March 2019 11:30 CET | Update | - |
| article html file updated | 1 March 2019 02:04 CET | Update | - |
| article html file updated | 17 February 2019 09:27 CET | Original file | - |
| article pdf uploaded. | 17 February 2019 09:24 CET | Updated version of record | https://www.mdpi.com/2220-9964/8/2/91/pdf |
| article xml uploaded. | 17 February 2019 09:24 CET | Update | https://www.mdpi.com/2220-9964/8/2/91/xml |
| article xml file uploaded | 17 February 2019 09:24 CET | Update | - |
| article pdf uploaded. | 15 February 2019 13:54 CET | Version of Record | https://www.mdpi.com/2220-9964/8/2/91/pdf-vor |
| article xml file uploaded | 15 February 2019 13:54 CET | Original file | - |
