function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abé, Hiroshi', 1],
    ['Dupérré, Nadine & Tapia, Elicio', 4],
    ['Ferretti, N. & Nime, M. & Mattoni, C.', 5],
    ['Fonseca-Ferreira, Rafael & Guadanucci, José Paulo Leite', 21],
    ['Gupta, Neha & Ganeshkumar, M. & Das, Sanjay Keshari', 3],
    ['Harrison, Sophie E. & Rix, Michael G. & Harvey, Mark S.', 25],
    ['Hogg, Henry Roughton', 2],
    ['Pickard-Cambridge, Octavius', 2],
    ['Rix, Michael G. & Bain, Karlene & Main, Barbara York', 4],
    ['Rix, Michael G. & Huey, Joel A. & Cooper, Steven J. B.', 19],
    ['Rix, Michael G. & Main, Barbara York & Raven, Robert J.', 6],
    ['Rix, Michael G. & Raven, Robert J. & Harvey, Mark S.', 7],
    ['Schwendinger, Peter J. & Hongpadharakiree, Komson', 4],
    ['Wishart, Graham', 27],
    ['Wishart, Graham & Rowell, David M.', 24],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=159)',
    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);