| article html file updated | 12 February 2020 10:17 CET | Update | https://www.mdpi.com/2306-5729/4/2/63 |
| article html file updated | 19 October 2019 15:19 CEST | Update | N/A |
| article html file updated | 4 July 2019 17:54 CEST | Update | N/A |
| article html file updated | 7 May 2019 08:27 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2019 08:26 CEST | Version of Record | https://www.mdpi.com/2306-5729/4/2/63/pdf |
| article xml uploaded. | 7 May 2019 08:26 CEST | Update | https://www.mdpi.com/2306-5729/4/2/63/xml |
| article xml file uploaded | 7 May 2019 08:26 CEST | Original file | N/A |
