| article html file updated | 11 February 2020 03:09 CET | Update | https://www.mdpi.com/2313-4321/3/4/58 |
| article html file updated | 11 October 2019 22:58 CEST | Update | - |
| article html file updated | 27 April 2019 19:24 CEST | Update | - |
| article html file updated | 13 April 2019 15:21 CEST | Update | - |
| article html file updated | 2 April 2019 13:13 CEST | Update | - |
| article html file updated | 14 December 2018 08:59 CET | Original file | - |
| article pdf uploaded. | 14 December 2018 08:57 CET | Version of Record | https://www.mdpi.com/2313-4321/3/4/58/pdf |
| article xml uploaded. | 14 December 2018 08:57 CET | Update | https://www.mdpi.com/2313-4321/3/4/58/xml |
| article xml file uploaded | 14 December 2018 08:57 CET | Original file | - |
