function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ashlock, Peter D.', 2],
    ['Blackburn, T.', 2],
    ['Borges, Paulo A. V. & Gaspar, Clara', 4],
    ['Eyles, A. C. & Malipatil, M. B.', 2],
    ['Ge, Xinyu & Li, Junlan', 9],
    ['Ghahari, Hassan & Moulet, Pierre', 7],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 4],
    ['Linnavuori, Rauno E.', 7],
    ['Malipatil, M. B.', 8],
    ['Norbiato, Margherita & Dioli, Paride & Cianferoni, Fabio', 2],
    ['Pall, José Luis & Kihn, Romina Gisela & Diez, Fernando', 4],
    ['Perkins, Robert Cyril Layton', 2],
    ['Usinger, Robert Leslie', 4],
    ['White, Francis Buchanan', 9],
    ['Yazici, Gülten & Yildirim, Erol & Moulet, Pierre', 5],
    ['Other (13)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=86)',
    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);