function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 9],
    ['Chapman, W. M. & Schultz, Leonard P.', 4],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 3],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 1],
    ['Klausewitz, Wolfgang', 1],
    ['Lotan, R.', 1],
    ['McCulloch, Alan Riverstone', 2],
    ['McKinney, J. F. & Springer, Victor G.', 2],
    ['Smith, J. L. B.', 1],
    ['Springer, Victor G.', 25],
    ['Springer, Victor G. & Allen, Gerald R.', 3],
    ['Springer, Victor G. & Randall, John Ernest Dr.', 1],
    ['Victor G. Springer', 7],
    ['Victor G. Springer & Gerald R. Allen', 20],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=82)',
    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);