| article html file updated | 12 February 2020 18:27 CET | Update | https://www.mdpi.com/2220-9964/8/6/269 |
| article html file updated | 21 October 2019 13:51 CEST | Update | N/A |
| article html file updated | 5 July 2019 22:30 CEST | Update | N/A |
| article html file updated | 24 June 2019 10:06 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2019 10:05 CEST | Updated version of record | https://www.mdpi.com/2220-9964/8/6/269/pdf |
| article xml uploaded. | 24 June 2019 10:05 CEST | Update | https://www.mdpi.com/2220-9964/8/6/269/xml |
| article xml file uploaded | 24 June 2019 10:04 CEST | Update | N/A |
| article pdf uploaded. | 8 June 2019 10:11 CEST | Version of Record | https://www.mdpi.com/2220-9964/8/6/269/pdf-vor |
| article xml file uploaded | 8 June 2019 10:11 CEST | Original file | N/A |
