function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrabé, Laure', 4],
    ['Barrabé, Laure & Mouly, Arnaud & Florence, Jacques', 65],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 7],
    ['Merrill, Elmer Drew & Perry, Lily May', 32],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 5],
    ['Ridley, Henry Nicholas', 4],
    ['Sohmer, S. H.', 59],
    ['Takeuchi, Wayne', 6],
    ['Takeuchi, Wayne N.', 8],
    ['Taylor, Charlotte M.', 5],
    ['Taylor, Charlotte M. & Gereau, Roy E. & Schmidt, Heidi H.', 10],
    ['Turner, Ian M & Brearley, Francis Q & Trethowan, Liam A', 7],
    ['Valeton, Theodoric', 40],
    ['Wernham, Herbert Fuller', 6],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 6],
    ['Other (18)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=294)',
    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);