function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Luis E. & Fet, Victor', 1],
    ['Di, Zhi-Yong & Cao, Zhi-Jian & Wu, Ying-Liang & Zhu, Lin', 2],
    ['Di, Zhiyong & Xu, Xiaobo & Cao, Zhijian & Wu, Yingliang', 1],
    ['Khandekar, Akshay & Thackeray, Tejas & Pawar, Swapnil', 1],
    ['Kovařík, František & Ranawana, Kithsiri B.', 2],
    ['Lourenço, Wilson R.', 1],
    ['Lourenço, Wilson R. & Goodman, Steven M.', 2],
    ['Mirza, Zeeshan A.', 2],
    ['Mirza, Zeeshan A. & Sanap, Rajesh V. & Zambre, Amod M.', 1],
    ['Monod, Lionel & Duperre, Nadine & Harms, Danilo', 23],
    ['Monod, Lionel & Harvey, Mark S. & Prendini, Lorenzo', 3],
    ['PRENDINI, LORENZO', 5],
    ['Prendini, Lorenzo & Bird, Tharina L.', 2],
    ['Prendini, Lorenzo & Ehrenthal, Valentin L. & Loria, Stephanie F.', 1],
    ['Sulakhe, Shauri & Deshpande, Shubhankar & Dandekar, Nikhil', 4],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);