| article html file updated | 12 February 2020 03:30 CET | Update | https://www.mdpi.com/2220-9964/8/4/181 |
| article html file updated | 17 October 2019 21:01 CEST | Update | N/A |
| article html file updated | 9 May 2019 10:59 CEST | Update | N/A |
| article html file updated | 25 April 2019 15:54 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:23 CEST | Original file | N/A |
| article pdf uploaded. | 18 April 2019 08:21 CEST | Updated version of record | https://www.mdpi.com/2220-9964/8/4/181/pdf |
| article xml uploaded. | 18 April 2019 08:21 CEST | Update | https://www.mdpi.com/2220-9964/8/4/181/xml |
| article xml file uploaded | 18 April 2019 08:21 CEST | Update | N/A |
| article xml file uploaded | 6 April 2019 11:25 CEST | Original file | N/A |
