[1] Shell Global Solutions (US) Inc., Lubricants Science, Shell Technology Center Houston, 3333 Hwy 6 South, Houston,TX,77082-3101, United States
[2] Shell Global Solutions (Deutschland), Germany
[3] Ricardo UK Ltd, United Kingdom
[4] Ricardo Inc., United States
[5] Shell Global Solutions (US) Inc., United States
[6] Shell Global Solutions (UK), United Kingdom