function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Zhi-Lin & Shi, Fu-Ming & Zhou, Shan-Yi', 2],
    ['Eguchi, Katsuyuki & Viet, Bui Tuan & Yamane, Seiki', 1],
    ['Griebenow, Zachary', 1],
    ['Yamada, Aiki & Nguyen, Dai D. & Eguchi, Katsuyuki', 1],
    ['Yamane, S. & Bui, T. V. & Eguchi, K.', 4],
    ['Yamane, Seiki & Bui, Tuan Viet & Eguchi, Katsuyuki', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);