| article html file updated | 9 February 2020 21:08 CET | Update | https://www.mdpi.com/2309-608X/4/2/69 |
| article html file updated | 4 October 2019 12:13 CEST | Update | - |
| article html file updated | 30 April 2019 11:44 CEST | Update | - |
| article html file updated | 16 April 2019 12:09 CEST | Update | - |
| article html file updated | 16 April 2019 06:55 CEST | Update | - |
| article html file updated | 30 March 2019 09:55 CET | Update | - |
| article html file updated | 12 June 2018 08:10 CEST | Original file | - |
| article pdf uploaded. | 12 June 2018 08:09 CEST | Version of Record | https://www.mdpi.com/2309-608X/4/2/69/pdf |
| article xml uploaded. | 12 June 2018 08:09 CEST | Update | https://www.mdpi.com/2309-608X/4/2/69/xml |
| article xml file uploaded | 12 June 2018 08:09 CEST | Original file | - |
