function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castro, Peter', 2],
    ['Komai, Tomoyuki', 18],
    ['Komai, Tomoyuki & Miller, Allison K. & Malay, Maria Celia D.', 1],
    ['Komai, Tomoyuki & Myorin, Eiji', 1],
    ['Komai, Tomoyuki & Osawa, Masayuki', 16],
    ['Komai, Tomoyuki & Poupin, Joseph', 4],
    ['Komai, Tomoyuki & Rahayu, Dwi Listyo', 9],
    ['Komai, Tomoyuki & Rahayu, Dwi Listyo & Fujita, Yoshihisa', 6],
    ['Osawa, M. & Takeda, M.', 2],
    ['Osawa, Masayuki & Fujita, Yoshihisa & Okuno, Junji', 2],
    ['Osawa, Masayuki & Kawai, Takashi & Sakamaki, Takashi', 7],
    ['Osawa, Masayuki & Komai, Tomoyuki', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);