function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. & Erdmann, Mark V. & Dailami, Muhammad', 1],
    ['Allen, Gerald R. & Hammer, M. P.', 1],
    ['Allen, Gerald R. Dr.', 3],
    ['Allen, Gerald R. Dr. & Erdmann, Mark V.', 1],
    ['Allen, Gerald R. Dr. & Kuiter, Rudie H.', 1],
    ['Allen, Gerald R. Dr. & Randall, John Ernest Dr.', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 4],
    ['Bleeker, Pieter', 2],
    ['Cornic, A.', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 2],
    ['Randall, John Ernest Dr.', 5],
    ['Randall, John Ernest Dr. & Emery, Alan R.', 1],
    ['Randall, John Ernest Dr. & Kuiter, Rudie H.', 1],
    ['Randall, John Ernest Dr. & Lubbock, Roger', 2],
    ['Tea, Yi-Kai & Najeeb, Ahmed & Rowlett, Joseph & Rocha, Luiz A.', 2],
    ['Other (14)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    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);