TomTec Imaging Systems GmbH, Unterschleissheim, Germany.

Resonant Medical Inc., Montreal, Quebec, Canada.

The International Ultrasound Forum at www.ultrasoundforum.com.

Ruhr Center of Excellence for Medical Engineering, Bochum, Germany.

Institute of High Frequency Engineering, Ruhr-University Bochum, Germany.

Sonohistology: the book.