function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ashmead, William Harris', 1],
    ['Compere, Harold', 1],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 14],
    ['Fallahzadeh, Majid & Japoshvili, George', 7],
    ['Guerrieri, Emilio', 5],
    ['Hayat, Mohammad & Ahmad, Zubair & Khan, Farmanur Rehman', 3],
    ['Hayat, Mohammad & Zeya, Shahid Bin & Veenakumari, K.', 3],
    ['Japoshvili, George & Higashiura, Yoshimitsu & Kamitani, Satoshi', 6],
    ['Madl, Michael & H, Anicetus & H, Anthemus & W, Cheiloneurus', 6],
    ['Manickavasagam, S. & Mehrnejad, M. R. & Noyes, John S.', 2],
    ['Mita, Toshiharu & Handa, Hironobu & Higashiura, Yoshimitsu', 2],
    ['Noyes, John Stuart', 113],
    ['Thorpe, Stephen E.', 2],
    ['Wang, Haiyang & Cui, Wenyu & Xi, Chunxiang & Cao, Xinyu', 14],
    ['Wang, Haiyang & Zhang, Chenghui & Xue, Hao & Xi, Chunxiang', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=190)',
    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);