| article html file updated | 1 August 2018 07:28 CEST | Update | https://www.mdpi.com/2409-515X/4/3/21 |
| article html file updated | 31 July 2018 12:43 CEST | Update | N/A |
| article html file updated | 27 June 2018 08:12 CEST | Original file | N/A |
| article pdf uploaded. | 27 June 2018 08:11 CEST | Version of Record | https://www.mdpi.com/2409-515X/4/3/21/pdf |
| article xml uploaded. | 27 June 2018 08:11 CEST | Update | https://www.mdpi.com/2409-515X/4/3/21/xml |
| article xml file uploaded | 27 June 2018 08:11 CEST | Original file | N/A |
