| article html file updated | 13 February 2020 16:06 CET | Update | https://www.mdpi.com/2311-5521/4/3/167 |
| article html file updated | 27 September 2019 12:04 CEST | Update | N/A |
| article html file updated | 8 September 2019 11:39 CEST | Original file | N/A |
| article pdf uploaded. | 8 September 2019 11:37 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/3/167/pdf |
| article xml uploaded. | 8 September 2019 11:37 CEST | Update | https://www.mdpi.com/2311-5521/4/3/167/xml |
| article xml file uploaded | 8 September 2019 11:37 CEST | Original file | N/A |
