function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. & Erdmann, Mark V. & Yusmalinda, Ni Luh Astria', 3],
    ['Allen, Gerald R. Dr.', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Boury-Esnault, Nicole & Bellan, Gerard & Bellan-Santini, Denise', 1],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 1],
    ['Kuiter, Rudie H. & Allen, Gerald R. Dr.', 2],
    ['Randall, John Ernest Dr.', 1],
    ['Randall, John Ernest Dr. & Allen, Gerald R. Dr.', 1],
    ['Randall, John Ernest Dr. & Harmelin-Vivien, Mierelle L.', 2],
    ['Randall, John Ernest Dr. & Lubbock, Roger', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);