function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Hayashi, Masami & Okudera, Shigeru', 14],
    ['Higuchi, Toshiyuki & Kamitani, Satoshi Dr. & Okudera, Shigeru', 4],
    ['Higuchi, Toshiyuki & Okudera, Shigeru', 3],
    ['Imai, Atsushi', 6],
    ['Kamitani, Satoshi & Higuchi, Toshiyuki & Okudera, Shigeru', 8],
    ['Kamitani, Satoshi Dr. & Okudera, Shigeru', 4],
    ['Meng, Ze-hong & Yang, Mao-fa & Webb, Mick', 1],
    ['Yoshida, Kenji & Okudera, Shigeru', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);