| article html file updated | 12 February 2020 06:38 CET | Update | https://www.mdpi.com/2073-445X/8/4/67 |
| article html file updated | 8 May 2019 19:44 CEST | Update | N/A |
| article html file updated | 25 April 2019 11:46 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2019 11:44 CEST | Updated version of record | https://www.mdpi.com/2073-445X/8/4/67/pdf |
| article xml uploaded. | 25 April 2019 11:44 CEST | Update | https://www.mdpi.com/2073-445X/8/4/67/xml |
| article xml file uploaded | 25 April 2019 11:44 CEST | Update | N/A |
| article pdf uploaded. | 19 April 2019 17:15 CEST | Version of Record | https://www.mdpi.com/2073-445X/8/4/67/pdf-vor |
| article xml file uploaded | 19 April 2019 17:15 CEST | Original file | N/A |
