function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Astarloa, J. M. D. de & Mabragaña, E. & Hanner, Robert H.', 1],
    ['Astarloa, Juan Martin Díaz De & Mabragaña, Ezequiel', 2],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 2],
    ['Concha, Francisco J. & Caira, Janine N. & Ebert, David A.', 3],
    ['De Carvalho, Marcelo R. & Ebert, David A. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 8],
    ['Gordon, Cat A. & Hood, Ali R. & Ellis, Jim R.', 2],
    ['Hsu, Hua Hsun & Joung, Shoou Jeng & Ebert, David A.', 1],
    ['Jones, Christian M. & Driggers Iii, William B.', 5],
    ['Krefft, G. & Stehmann, M.', 2],
    ['M. A. Treloar & L. J. B. Laurenson & J. D. Stevens', 7],
    ['Straube, Nicolas & White, William T. & Ho, Hsuan-Ching', 3],
    ['White, William T. & Ko’Ou, Alfred', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=46)',
    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);