function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmed, Shakoor & Julka, Jatinder Mohan & Banerjee, Dhriti', 25],
    ['Bartz, Marie L. C. & Barreto, Julia & Santos, Alessandra', 5],
    ['Csuzdi, Csaba', 21],
    ['Csuzdi, Csaba & Szederjesi, Tímea & Sherlock, Emma', 18],
    ['Ferreira, Talita & Niva, Cintia C. & Dudas, Rafaela', 5],
    ['Fragoso, Carlos & Rojas, Patricia', 6],
    ['Hernández-García, Luis Manuel & Sousa, Sandriel Costa', 5],
    ['James, Samuel W. & Divina, Gildas Brice', 10],
    ['James, Samuel W. & Gamiette, Franciane', 16],
    ['Julka, J. M. & Blanchart, Eric & Chapuis-Lardy, Lydie', 15],
    ['Nguyen, Tung T. & Nguyen, Anh D. & Tran, Binh T. T.', 6],
    ['Plisko, Jadwiga Danuta', 9],
    ['Santos, Alessandra & Gorte, Tatiane & Demetrio, Wilian C.', 5],
    ['Sherlock, Emma & Lee, Stewart & Mcphee, Sally & Steer, Mark', 6],
    ['Tiwari, Nalini & Paliwal, R. & Rashid, Azhar & Yadav, Shweta', 18],
    ['Other (17)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=199)',
    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);