| article html file updated | 12 February 2020 12:33 CET | Update | https://www.mdpi.com/2076-0752/8/2/63 |
| article html file updated | 20 October 2019 03:49 CEST | Update | N/A |
| article html file updated | 4 July 2019 16:32 CEST | Update | N/A |
| article html file updated | 15 May 2019 11:56 CEST | Update | N/A |
| article pdf uploaded. | 15 May 2019 11:54 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/2/63/pdf |
| article xml uploaded. | 15 May 2019 11:54 CEST | Update | https://www.mdpi.com/2076-0752/8/2/63/xml |
| article xml file uploaded | 15 May 2019 11:54 CEST | Update | N/A |
| article html file updated | 15 May 2019 11:18 CEST | Original file | N/A |
| article xml file uploaded | 15 May 2019 11:16 CEST | Original file | N/A |
