function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bukejs, Andris', 1],
    ['Champion, George Charles', 4],
    ['Klausnitzer, B.', 5],
    ['Klausnitzer, Bernhard', 2],
    ['Klausnitzer, Bernhard Dr.', 50],
    ['Klausnitzer, Bernhard Dr. & Yoshitomi, Hiroyuki Dr.', 4],
    ['Nakane, Takehiko & Ohbayashi, Kazuo & Nomura, Shizumu', 8],
    ['Pic, Maurice', 40],
    ['Ruta, Rafal', 3],
    ['Ruta, Rafał', 14],
    ['Sasagawa, Kiyoshi', 7],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 3],
    ['Yoshitomi, Hiroyuki Dr.', 27],
    ['Yoshitomi, Hiroyuki Dr. & Satô, Masataka Dr.', 6],
    ['Zwick, Peter', 3],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=185)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);