| article html file updated | 11 February 2020 07:35 CET | Update | https://www.mdpi.com/2309-608X/5/1/6 |
| article html file updated | 27 April 2019 09:32 CEST | Update | N/A |
| article html file updated | 13 April 2019 05:30 CEST | Update | N/A |
| article html file updated | 3 April 2019 00:12 CEST | Update | N/A |
| article html file updated | 17 January 2019 07:54 CET | Update | N/A |
| article pdf uploaded. | 17 January 2019 07:52 CET | Updated version of record | https://www.mdpi.com/2309-608X/5/1/6/pdf |
| article html file updated | 9 January 2019 08:36 CET | Original file | N/A |
| article xml uploaded. | 9 January 2019 08:34 CET | Update | https://www.mdpi.com/2309-608X/5/1/6/xml |
| article xml file uploaded | 9 January 2019 08:34 CET | Original file | N/A |